Top Boiler Installation & Replacement Contractors in Aurora, Colorado Ranked

A reliable boiler is the heart of your home's heating system, especially during Aurora's cold winters. Whether you're upgrading an aging unit for better efficiency or facing an unexpected breakdown, understanding your options for boiler installation and replacement is key to staying warm and managing energy costs. This guide provides a detailed look at the process, costs, and considerations for Aurora homeowners, helping you make an informed decision when connecting with local heating professionals.

True Heating & Cooling

1351 W 121st Ave, Westminster, CO 80234

True Heating & Cooling is an HVAC company based in Denver, CO, offering heating, air conditioning, and indoor air quality services. They serve Westminster and nearby areas including Broomfield and Boulder. Their services include installation, repair, and maintenance of furnaces, boilers, air conditioners, heat pumps, ductless mini-split systems, and thermostats. As NATE-certified technicians and official Lennox dealers, they provide skilled work with access to quality equipment. True Heating & Cooling has 24/7 emergency availability to address urgent HVAC needs.

5.0

2.1k Reviews

Comfort Pros Heating and Air Conditioning

7270 Gilpin Way #220, Denver, CO 80229

Comfort Pros Heating and Air Conditioning is a family-owned HVAC company serving Denver, CO, with over 15 years of experience. They specialize in the installation, repair, and maintenance of heat pumps, furnaces, air conditioners, boilers, and mini-split systems. Comfort Pros is known for working with high-quality manufacturers and providing thorough system analyses to help customers understand their options. Their team emphasizes clear communication and detailed explanations throughout each project.

5.0

589 Reviews

Tonville HVAC LLC

710 N 7th Ave #1, Brighton, CO 80601

Tonville HVAC LLC is a locally owned HVAC company serving Denver, CO, and surrounding areas. Since 1987, they have provided heating, air conditioning, geothermal, and ventilation services including installation, repair, and maintenance of furnaces, boilers, rooftop units, and ductless mini splits. Their team is experienced in geothermal system work and offers emergency service along with industry-leading warranties on workmanship and parts.

5.0

229 Reviews

100% Service, Inc.

Denver, CO

100% Service, Inc. is a family-owned HVAC company serving Denver, CO, and the surrounding metro area. With over 30 years of experience, they provide repair, installation, and maintenance services for air conditioners, furnaces, boilers, and thermostats. Their skilled technicians offer tailored solutions to keep heating and cooling systems running efficiently and extend appliance life. The company is known for handling emergency repairs and offers comprehensive HVAC maintenance plans to help customers maintain comfortable and energy-efficient homes.

5.0

201 Reviews

L&M HVAC & Mechanical

8500 Cedar Ln, Westminster, CO 80031

L&M HVAC & Mechanical is a full-service heating and cooling company based in Westminster, Colorado, serving the Metro Denver region including Denver and surrounding communities. They provide installation, repair, maintenance, and replacement services for furnaces, air conditioners, heat pumps, boilers, ductless mini-splits, and indoor air quality systems. The company offers 24/7 emergency HVAC service to address urgent heating and cooling needs promptly. Their technicians are licensed and insured, working with all major brands to ensure efficient and reliable system performance.

5.0

166 Reviews

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Understanding Your Boiler Options

Modern boilers come in several configurations, each suited to different home layouts and hot water demands. Knowing the basic types is the first step in selecting the right unit for your Aurora home.

• Standard/Conventional Boilers: Often found in older homes, these systems use a separate hot water storage cylinder and a cold-water tank, typically in the loft. A replacement is often a straightforward swap if the existing tank setup is to remain.
• System Boilers: A popular choice for homes with higher hot water demand, a system boiler incorporates most major components within the unit itself and works with a hot water cylinder (but no cold-water tank). This makes them a common upgrade for larger Aurora households.
• Combi (Combination) Boilers: These compact, tankless units provide both central heating and instant hot water on demand. By eliminating the need for a storage tank, they save space and can be highly efficient, making them an excellent option for many Aurora residences. ¹
• High-Efficiency Condensing Boilers: This is the modern standard for efficiency. Condensing boilers capture heat from exhaust gases that would otherwise be wasted, achieving Annual Fuel Utilization Efficiency (AFUE) ratings of 90% or higher. While the upfront cost is higher, the long-term energy savings in Aurora's climate are significant. ^{2 3}

Key Factors That Influence Installation Cost

The final price for your boiler project in Aurora isn't just about the appliance itself. Several critical factors contribute to the total investment.

• Boiler Type and Efficiency: As noted, high-efficiency condensing models cost more initially than standard-efficiency units. However, the investment is often recouped over time through lower gas bills.
• Boiler Size (BTU Output): An undersized boiler won't heat your home adequately, while an oversized one will cycle on and off inefficiently. A professional will perform a heat load calculation to determine the correct British Thermal Unit (BTU) output for your home's square footage, insulation, and window quality. Larger capacities increase the unit cost.
• Installation Complexity: This is often the most variable cost factor. A simple "like-for-like" swap in the same location is the most straightforward. Costs rise significantly if the boiler needs to be relocated, if new gas lines or electrical connections are required, or if extensive updates to piping, pumps, or zoning controls are needed.
• Fuel Source Conversion: Switching from an old oil-fired boiler to a new natural gas system involves substantial work, including removing the old oil tank and running new gas lines, which adds to the project cost.
• Permits and Inspections: The City of Aurora requires permits for boiler installation and replacement work to ensure safety and compliance with building codes. Permit fees typically range from $50 to $200+ and are a necessary part of a legitimate, professional installation.^{4 5}

The Professional Installation Process in Aurora

A proper boiler installation is not a DIY project. It requires licensed expertise to ensure safety, efficiency, and compliance. Here's what a professional process looks like:

1. Initial Assessment and Consultation: A qualified technician will visit your home to assess your current system, discuss your hot water needs, and evaluate your home's layout. They will perform calculations to recommend the correct boiler type and size.
2. Detailed Quote and Planning: You should receive a written, itemized estimate covering the cost of the unit, all materials, labor, permit fees, and a projected timeline. This is the time to ask questions and understand the scope of work.
3. Securing Permits: Your chosen contractor will pull the required permits from the City of Aurora before work begins.
4. Professional Removal and Installation: The old unit is safely disconnected and removed. The new boiler is installed, connected to fuel, water, and electrical lines, and integrated with your heating distribution system (radiators, baseboards, or radiant floors).
5. System Testing and Inspection: Once installed, the system is thoroughly tested for leaks, proper operation, and safety. A final inspection by the city or county may be required to close the permit.
6. Homeowner Orientation: A good contractor will walk you through the operation of your new boiler, explain basic maintenance, and provide all warranty information.

Cost Estimates for Aurora Homeowners

While every home is unique, the following ranges provide a general framework for budgeting your boiler project in the Aurora area. These estimates include both equipment and professional installation.

• Basic Like-for-Like Replacement: Replacing an old standard boiler with a new mid-efficiency model in the same location typically ranges from $4,000 to $7,000. ⁶
• High-Efficiency System or Combi Boiler Installation: Installing a new high-efficiency condensing boiler, which may include updating venting to use PVC pipe, generally falls between $6,000 and $9,000+.⁷
• Complex Installations or Fuel Conversions: Projects involving relocation, extensive new piping, or a conversion from oil to natural gas can range from $9,000 to $12,000 or more.⁸
• New Hydronic Radiant Floor Heating: If you're considering installing a brand-new hydronic (hot water) radiant floor system, which uses a boiler as the heat source, the cost for the in-floor components alone can range from $3 to $7 per square foot.^{9 10} The boiler and its installation would be an additional cost.

Why Proper Sizing and Professional Installation Matter

Choosing the right contractor is as important as choosing the right boiler. An oversized boiler will short-cycle-turning on and off frequently-which wastes fuel, increases wear on components, and can lead to uncomfortable temperature swings. An undersized boiler will run constantly in extreme cold and still fail to heat your home adequately.

A licensed Aurora professional ensures the system is correctly sized and installed according to strict local codes. This guarantees safe operation, maximizes efficiency, and protects your manufacturer's warranty, which often requires professional installation by a certified technician.¹¹

Maintaining Your New Boiler System

To protect your investment and ensure long-term reliability, annual maintenance is essential. A yearly service by a qualified technician typically includes cleaning the heat exchanger, checking and adjusting burner combustion, inspecting the vent system, and testing safety controls. Regular maintenance improves efficiency, prevents minor issues from becoming major repairs, and extends the life of your boiler.

Frequently asked questions

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