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Best Boiler Brands of 2026: Find Your Heating Solution
Which boiler brand should you choose? Here are our top-rated picks for 2026:
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Updated: Written by: Kristine GillReviewed by: Kate Pospisil
When shopping for a new boiler, homeowners should consider more than just the price tag. The most important factors include installation cost, energy efficiency (measured in AFUE ratings), warranty protection, and the brand’s reputation for reliability and performance. A well-chosen boiler not only keeps your home comfortable year-round but also reduces energy bills and provides lasting peace of mind.
The best boiler brands typically range from $4,000 to $10,000 installed, depending on efficiency rating, system type (steam or hot water), and labor. Choose based on your priorities: fuel type, energy savings, maintenance needs, warranty coverage, and long-term reliability.
Best for budgets: Peerless (PB Heat), Burnham (U.S. Boiler Co.), Lochinvar
The experts at Modernize reviewed the best boiler brands by comparing key factors such as energy efficiency ratings (AFUE and ENERGY STAR® certification), average installation costs, and warranty coverage. We also evaluated real-world performance, noise levels, durability, and innovative features that improve reliability and long-term value. In this guide, we highlight what makes each top-rated boiler brand in the U.S. stand out and recommend the best models to help homeowners make confident, informed decisions.
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Navien is a leader in condensing technology, known for compact, ENERGY STAR®-certified boilers that save space and energy. With stainless steel heat exchangers and smart controls, Navien offers excellent efficiency and reliability for modern households.
Navien earned its 4.2-star rating for exceptional efficiency, smart design, and strong homeowner satisfaction in both performance and energy savings.
What We Love
ENERGY STAR® certified
Smart, space-saving design
Excellent fuel efficiency
Watch Out For
Requires expert install
Higher maintenance cost
Complex venting needs
Navien boilers balance high performance with moderate costs, making them one of the best values in condensing technology.
NHB Series: $4,500 to $7,500 (equipment only)
NFB-H Series: $6,500 to $9,500 (equipment only)
Total Installed Cost: $6,000 to $12,000, depending on labor, venting, and system configuration
Efficiency Factor: Condensing units reach AFUE ratings up to 95%, offering long-term utility savings
Installation costs usually range from $1,500 to $2,500, depending on venting complexity and contractor rates. Navien boilers are ideal for homeowners prioritizing energy efficiency and compact installation.
The Navien NFB-H delivers up to 95% AFUE with dual stainless steel heat exchangers and built-in Wi-Fi. It offers quiet operation, smart diagnostics, and impressive long-term reliability.
Best For: Premium efficiency and innovation
Viessmann
4.4/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Viessmann is known for world-class German engineering, precision controls, and quiet operation. The brand’s condensing boilers consistently rank among the most efficient in the industry, with AFUE ratings up to 98%. Built with stainless steel heat exchangers and advanced modulation, Viessmann models deliver exceptional comfort and longevity.
Viessmann earned its 4.4-star rating for unmatched efficiency, whisper-quiet performance, and industry-leading innovation that consistently exceeds homeowner expectations.
What We Love
Ultra-efficient performance
Quiet and reliable
Innovative German design
Watch Out For
Higher upfront cost
Limited U.S. support
Premium replacement parts
Viessmann boilers fall into the premium range due to their advanced components and high efficiency.
Vitodens 100-W: $5,500 to $7,500 (equipment only)
Vitodens 200-W: $8,000 to $11,000 (equipment only)
Total Installed Cost: $7,000 to $13,500, depending on home size, system complexity, and efficiency rating
Fuel Source Impact: Natural gas models are typically less expensive to install than propane units
Installation costs usually range from $1,500 to $3,000, depending on venting, piping, and local labor rates. Though the upfront price is higher, Viessmann boilers can significantly reduce energy bills and offer decades of reliable performance.
The Vitodens 200-W offers up to 98% AFUE efficiency and features advanced combustion controls for precise comfort. It’s ideal for homeowners who want quiet, consistent heating with modern technology and premium reliability.
Best For: Reliable performance and service
Weil-McLain
4.3/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Weil-McLain is one of the most trusted American boiler brands, with more than a century of experience. Known for durability, easy maintenance, and strong service support, these boilers are built for lasting reliability. Their lineup includes gas, oil, and high-efficiency condensing models for nearly any home.
Weil-McLain earned its 4.3-star rating for consistent reliability, nationwide service support, and dependable performance trusted by generations of homeowners.
What We Love
Reliable and durable
Affordable price range
Widely available parts
Watch Out For
Limited tech features
Slightly lower efficiency
Bulky design
Weil-McLain offers a range of dependable boilers for various efficiency levels and budgets.
CGa Gas Series: $4,500 to $6,500 (equipment only)
ECO Tec Condensing: $6,500 to $8,500 (equipment only)
Total Installed Cost: $6,000 to $10,500, depending on home size, fuel type, and labor rates
Warranty Coverage: Extended service plans available for high-efficiency models
Installation costs usually range from $1,500 to $2,500, depending on venting design and system setup. Weil-McLain offers affordable reliability and widespread service availability across the U.S.
The ECO Tec Series 2 delivers up to 95% AFUE efficiency and integrates easily with smart thermostats. It provides quiet, even heating and strong dependability for a wide range of home sizes.
Best For: American-made durability
Burnham (U.S. Boiler Company)
4.1/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Burnham boilers are renowned for heavy-duty cast-iron construction and long service life. As part of U.S. Boiler Company, Burnham offers ENERGY STAR®-certified models that combine American craftsmanship with modern efficiency. They’re ideal for homeowners who value reliability and straightforward maintenance.
Burnham earned its 4.1-star rating for durable, American-made construction and strong long-term reliability at a competitive price.
Series 2 (standard): $4,000 to $6,000 (equipment only)
Alpine (condensing): $6,000 to $8,000 (equipment only)
Total Installed Cost: $5,500 to $10,000, depending on system configuration, fuel type, and efficiency rating
Efficiency Factor: Condensing models achieve up to 95% AFUE for significant energy savings
Installation costs typically range from $1,500 to $2,500, depending on setup complexity and labor. Burnham boilers are built to provide decades of consistent, low-maintenance comfort.
The Burnham Alpine reaches up to 95% AFUE efficiency and uses advanced controls for precise heating. It’s built with a stainless steel heat exchanger and designed for quiet, consistent operation.
Best For: Versatile high-efficiency heating
Lochinvar
4.1/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Lochinvar’s boilers are known for innovation and reliability, often chosen by contractors for their flexible applications. The Knight series leads in efficiency and control technology, offering residential and light commercial solutions. Lochinvar models perform quietly and integrate easily into existing systems.
Lochinvar earned its 4.1-star rating for combining advanced controls with proven dependability, delivering versatile efficiency for a wide range of homes.
What We Love
Smart control interface
Flexible installation options
Consistent performance
Watch Out For
Higher installation cost
Limited warranty length
Requires pro setup
Lochinvar pricing varies based on the boiler’s capacity, technology, and efficiency level, giving homeowners several options to fit their budget.
Knight Fire Tube Series: $5,000 to $9,000 (equipment only)
Total Installed Cost: $6,500 to $11,500, depending on labor, venting requirements, and regional pricing
Fuel Source Impact: Gas models generally cost less to install than electric or specialty systems
Installation costs usually range from $1,500 to $2,500, depending on venting design, piping complexity, and local contractor rates. Homeowners can expect slightly higher installation costs for larger, high-efficiency systems, but Lochinvar’s durable components and energy savings provide solid long-term value.
The Knight KHB Series achieves up to 95% AFUE and features intuitive touchscreen controls for precision heating. It’s ideal for homeowners who want dependable, modern efficiency with low operating noise.
Best For: Advanced engineering and reliability
Buderus
3.7/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Buderus, a Bosch brand, is known for exceptional craftsmanship and long-term dependability. Its boilers feature aluminum-silicon heat exchangers for smooth operation and extended lifespan. With strong AFUE ratings and German precision, Buderus delivers consistent comfort and performance in any climate.
Buderus received its 3.7-star rating for combining proven Bosch reliability with premium engineering, offering homeowners lasting comfort and efficient operation.
What We Love
Premium build quality
Excellent efficiency
Long service life
Watch Out For
Expensive replacement parts
Requires trained installer
Higher overall cost
Buderus pricing varies based on model and capacity, offering mid- to high-end options for efficiency-focused homeowners.
G115WS (cast iron): $5,000 to $7,500 (equipment only)
GB142 (condensing): $7,500 to $10,000 (equipment only)
Total Installed Cost: $6,500 to $12,000, depending on system type, labor, and fuel source
Efficiency Factor: Condensing units typically cost more upfront but save significantly on energy bills
Installation costs typically range from $1,500 to $3,000, depending on regional labor rates and system complexity. Buderus boilers provide excellent long-term value and low maintenance costs.
The Buderus GB142 is a compact, high-efficiency condensing boiler with a modulating burner and outdoor reset control. It automatically adjusts heat output for maximum comfort and reduced fuel waste.
Best For: Traditional cast-iron longevity
Peerless (PB Heat)
3.4/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Peerless has built a strong reputation for durable, long-lasting boilers that deliver consistent comfort. Known for straightforward maintenance and solid construction, Peerless systems are reliable and budget-friendly. The PUREFIRE series introduces condensing efficiency for modern homeowners seeking savings without sacrificing dependability.
Peerless received its 3.4-star rating for dependable construction and long-term value, though it trails premium brands in efficiency and modern features.
What We Love
Budget-friendly pricing
Reliable performance
Low maintenance needs
Watch Out For
Older design style
Average efficiency
Limited smart options
Peerless boilers offer some of the most affordable long-term heating solutions on the market.
MI Gas Series: $4,000 to $6,000 (equipment only)
PUREFIRE Condensing: $6,000 to $7,500 (equipment only)
Total Installed Cost: $5,500 to $9,500, depending on system design, home layout, and regional labor costs
Efficiency Factor: New condensing models reach up to 95% AFUE for improved fuel economy
Installation costs generally range from $1,500 to $2,000, depending on venting, piping, and contractor rates. Peerless units are affordable, long-lasting, and easy to maintain for the average homeowner.
The PUREFIRE PF-110 delivers up to 95% AFUE efficiency and includes a stainless steel heat exchanger for corrosion resistance. It’s a dependable, efficient choice for homeowners seeking low-maintenance comfort.
How We Rate HVAC Products
Every HVAC product on Modernize is rated on a one-to-five scale across seven criteria. Each criterion is scored independently, then weighted by its impact on comfort, efficiency, and system longevity. Those weighted scores are added together to produce the final star rating.
Here’s what we evaluate and how much each factor counts:
Warranty Coverage (18%): Coverage duration, registration requirements, and claims reputation
Durability & Build Quality (15%): Component quality, materials, and field reliability
Value & Pricing (12%): Efficiency and expected lifespan relative to cost
Brand Reputation & Support (12%): Service network, parts availability, and installer relationships
Climate & Regional Suitability (11%): Performance in extreme heat, cold, and humidity
Installation Compatibility & Ease (10%): Compatibility with common residential configurations
Learn more about how we score HVAC products and brands in our Rating Methodology.
Calculating New Boiler Installation Costs
Most homeowners spend between $4,000 and $10,000 installed for a new boiler. Your total cost will depend on the unit’s efficiency (AFUE rating), boiler type (steam or hot water), fuel source, brand and model tier, local labor rates, and the complexity of the installation. Additional expenses may include permit fees, venting or piping modifications, smart thermostat integration, and upgrades to improve system efficiency or zoning control.
Explore more HVAC brand information, such as Best Brands pages and in-depth Brand Reviews, on our Modernize Review Hub!
Installations and Repairs
Whether you’ve decided on a brand and are looking for an installer, or you need repairs for your existing systems, we recommend exploring reviews for these companies to determine if they are a good fit for your home improvement project.
The best boiler is one that balances cost, energy efficiency, and long-term reliability. Review the top boiler brands above to find models that fit your budget and comfort needs. Look for ENERGY STAR® certification, AFUE ratings of 90% or higher, and a strong warranty for parts and labor. A reputable installation contractor can help match the right brand and model to your home’s size and fuel source.
82% or higher for gas-fired hot water boilers
80% or higher for gas-fired steam boilers
84% or higher for oil-fired hot water boilers
82% or higher for oil-fired steam boilers
AFUE rating and ENERGY STAR® efficiency
Fuel type (natural gas, propane, oil, or electric)
Warranty coverage and service availability
Smart controls and modulation technology for consistent comfort
Maintenance access and long-term reliability
The average cost to install a new boiler ranges from $5,000 to $10,000, depending on the brand, size, fuel type, and efficiency rating. High-efficiency condensing boilers typically cost more upfront — around $8,000 to $12,000 installed — but they can cut energy bills by up to 30% annually. Always get at least two to three local quotes to confirm accurate pricing for your area.
Reliability depends on quality, service availability, and proper installation. Brands like Weil-McLain, Burnham, and Peerless are known for long-lasting cast-iron durability, while Viessmann, Buderus (Bosch), and Navien are recognized for high efficiency and advanced technology. For most homeowners, the most reliable boiler is one installed and serviced by an experienced, licensed contractor.
A well-maintained boiler typically lasts 15 to 25 years. Cast-iron models, like those from Burnham or Weil-McLain, often reach the higher end of that range, while high-efficiency condensing boilers may need replacement closer to 15 years due to more complex components. Annual maintenance helps extend lifespan and maintain efficiency.
Warranty terms vary by manufacturer, but Viessmann, Weil-McLain, and Ideal Heating offer some of the strongest coverage in the industry — often 10 to 12 years on heat exchangers and 5 to 10 years on parts. Always check warranty registration requirements, as many brands extend coverage when installed by a certified professional.
While both systems provide heat, furnaces use air ducts while boilers use water or steam to warm the home. Replacing a furnace with a boiler can provide more consistent, even heat — especially in older homes with radiators — but it requires new piping and higher installation costs. A qualified HVAC professional can help determine if switching systems will improve comfort and energy efficiency in your home.
