The Best HVAC in Waltham, MA

Compare the highest-rated hvac professionals in Waltham, Massachusetts. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Waltham Climate Control Specialists

4.8
(142 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Waltham's historic homes and modern buildings. They are experts in handling New England's extreme temperature swings and offer comprehensive energy audits to optimize system performance.

875 Main Street, Waltham, MA 02453

Specialties & Features

Energy Efficiency Upgrades
Historic Home HVAC
24/7 Emergency Service
Boiler Systems

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

MetroWest Heating & Cooling

4.6
(89 reviews)
Verified

Family-owned HVAC company with deep expertise in furnace and AC installation for Waltham's diverse housing stock. They are Carrier Factory Authorized Dealers and specialize in solving complex ductwork issues in older New England homes while offering modern mini-split solutions.

225 Bear Hill Road, Waltham, MA 02451

Specialties & Features

Ductwork Design
Mini-Split Systems
Furnace Installation
24/7 Emergency Service

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Pro-Temp HVAC Services

4.5
(67 reviews)
Verified

Specializes in emergency HVAC repair and maintenance plans tailored to Waltham's climate. They offer advanced diagnostic services for both residential and light commercial systems, with particular expertise in heat pump technology and smart thermostat integration for energy savings.

510 Winter Street, Waltham, MA 02451

Specialties & Features

Emergency Repairs
Heat Pump Systems
Maintenance Plans
Smart Home Integration

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Waltham

Waltham's HVAC market serves a mix of historic homes, modern residences, and numerous tech company facilities. The humid continental climate with cold, snowy winters (avg Jan temp 22°F) and warm, humid summers (avg July temp 74°F) creates year-round demand for HVAC services. Older housing stock requires specialized expertise in duct modifications and system retrofitting, while energy efficiency is a growing concern due to Massachusetts' high energy costs. The presence of universities and tech companies creates demand for sophisticated climate control systems.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Waltham regulations and climate

Frequently Asked Questions About HVAC in Waltham

Get answers to common questions about hvac services in Waltham, Massachusetts.

1What is the typical cost range for replacing a central air conditioning system in a Waltham home?

For a standard single-family home in Waltham, a full AC replacement typically ranges from $5,000 to $12,000. This wide range depends on the system's efficiency (SEER rating), home size, ductwork modifications needed, and the complexity of the installation. Given our humid summers, investing in a higher-efficiency unit (16+ SEER) can offer better dehumidification and long-term savings on energy bills, especially with Massachusetts' high electricity rates.

2When is the best time to schedule HVAC maintenance or replacement in Waltham?

The optimal times are during the shoulder seasons—late spring (April-May) for AC servicing and early fall (September-October) for furnace tune-ups. Scheduling during these periods ensures your system is ready for Waltham's peak summer heat and harsh winter cold, and you'll avoid the high-demand rush when contractors are busiest. This also provides ample time to plan and execute a replacement if needed before the extreme weather hits.

3Are there any Massachusetts-specific rebates or incentives for upgrading my HVAC system?

Yes, Massachusetts offers excellent incentives through Mass Save®. Waltham homeowners can qualify for substantial rebates for installing high-efficiency heat pumps, furnaces, and central air conditioners. Additionally, you can access 0% financing and home energy assessments. These programs are designed to help meet the state's climate goals and can significantly reduce your upfront costs for qualifying equipment.

4How do I choose a reliable HVAC contractor in the Waltham area?

Always verify that the contractor is licensed by the Massachusetts Board of State Examiners of Plumbers and Gas Fitters (for gas work) and holds an HVAC license. Look for companies with strong local reputations, positive reviews on community forums, and those that are Mass Save® participating partners. A reliable Waltham contractor will be familiar with local building codes, the common housing stock (like older New England homes), and the specific challenges of our climate.

5My older Waltham home feels drafty and unevenly heated. What are my best options for improvement?

This is common in our region's historic housing stock. Before replacing equipment, schedule a Mass Save® home energy assessment to identify air leaks and insulation needs, which are often the root cause. For the HVAC system itself, a ductless mini-split heat pump system is an excellent solution for targeted heating and cooling in hard-to-condition rooms, and it qualifies for state rebates. For forced-air systems, a professional can evaluate and seal your existing ductwork to improve efficiency and comfort.