The Best HVAC in North Waltham, MA

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

#1

North Waltham Climate Control

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems for New England homes. They are known for their expertise in handling the region's extreme temperature swings, from humid summers to frigid winters. They are a Carrier Factory Authorized Dealer and specialize in complex ductwork design for older New England homes.

1252 Lexington Street, North Waltham, MA 02452

Specialties & Features

24/7 Emergency Service
Carrier Systems
High-Efficiency Furnace Installation
Ductwork Design & Sealing
Whole-Home Humidifiers

Business Information

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

Waltham Heating & Cooling Pros

4.6
(115 reviews)
Verified

A trusted local family-owned business providing comprehensive HVAC services with a strong focus on reliability and customer education. They excel in boiler and furnace repair, which is critical for Massachusetts winters, and offer innovative heat pump solutions for year-round efficiency. Their technicians are NATE-certified and EPA 608 certified.

875 Winter Street, North Waltham, MA 02451

Specialties & Features

Boiler Service & Repair
Heat Pump Installation
Preventative Maintenance Plans
Oil-to-Gas Conversion
Indoor Air Quality Solutions

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Commonwealth Efficient Systems

4.5
(98 reviews)
Verified

Specializes in modern, energy-efficient HVAC upgrades and smart home integration. They are experts in Mass Save® program rebates and financing, helping homeowners significantly reduce the cost of new high-efficiency systems. They focus on proper system sizing and zoning to maximize comfort and minimize energy bills in North Waltham's diverse housing stock.

521 Trapelo Road, North Waltham, MA 02452

Specialties & Features

Mass Save® Partner
Energy Audits
Ductless Mini-Splits
Smart Thermostat Integration
HVAC Zoning Systems

Business Information

Years in Business:14 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in North Waltham

North Waltham, MA, experiences a humid continental climate with cold, snowy winters and warm, humid summers, placing significant demand on both heating and cooling systems year-round. The local HVAC market is competitive, with a high concentration of older homes that require specialized expertise in boiler repair, ductwork modification for additions, and energy efficiency upgrades. Homeowners are increasingly seeking high-efficiency heat pumps and participating in the Mass Save® program to offset upgrade costs. Demand for 24/7 emergency service spikes during the first heatwaves of summer and severe cold snaps in winter.

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 North Waltham regulations and climate

Frequently Asked Questions About HVAC in North Waltham

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

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

For a full high-efficiency central AC system replacement in North Waltham, homeowners can expect to pay between $5,000 and $12,000, with the final cost heavily dependent on home size, system complexity, and the chosen unit's SEER rating. Massachusetts' strict energy codes often require higher-efficiency systems, which have a higher upfront cost but lead to significant savings on summer electricity bills. It's crucial to get itemized estimates from licensed local contractors, as labor costs and any necessary ductwork modifications in older Waltham-area homes will impact the total.

2When is the best time to schedule HVAC maintenance or replacement in North 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 North Waltham's humid summers and cold, snowy winters, and you'll avoid the high-demand rush and potential emergency rates. For replacements, planning during these off-peak times often provides better scheduling flexibility and may coincide with manufacturer or local utility rebates from providers like Eversource.

3Are there any local regulations or incentives I should know about for HVAC work in Massachusetts?

Yes, Massachusetts has specific regulations, including that all HVAC contractors must be licensed by the State Board of Examiners of Plumbers and Gas Fitters. Furthermore, the state's building code mandates high-efficiency equipment standards. Importantly, homeowners in North Waltham should explore Mass Save® incentives, which offer substantial rebates for upgrading to qualifying high-efficiency heat pumps, furnaces, and air conditioners, and often include heavily discounted or no-cost energy assessments.

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

Always verify a contractor holds a valid Massachusetts HVAC license and carries full insurance. Look for established local companies with strong reviews on community-focused platforms and ask for references from homes in Waltham, Belmont, or Lexington, as they understand our specific housing stock and climate. A trustworthy provider will perform a full load calculation (Manual J) for new installations, which is critical for properly sizing systems for our variable New England weather.

5My older home in North Waltham has uneven heating. Is this a system issue or a characteristic of my house?

This is a very common concern in the region's older homes, which often have original ductwork, varying insulation levels, and single-zone systems. While it could indicate an aging furnace or undersized ducts, the solution often involves a professional evaluation of your duct system and balancing. Many local homeowners find that adding a mini-split heat pump system to supplement problem areas or upgrading to a zoned system effectively solves uneven temperatures while improving overall energy efficiency for both heating and cooling.