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AC repair, installation, and maintenance for Waltham homeowners. Same-day service available. Licensed technicians. Call now—we answer 24/7.

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Climate-Ready HVAC Solutions

Keeping Waltham Comfortable Year-Round

Waltham sees real winters—not the mild cold that passes for winter elsewhere. Snow, ice, and extended cold snaps mean your heating system is critical infrastructure from November through March.

Northeast winters demand reliable heating. When it's 10°F outside, your furnace isn't a convenience—it's keeping your pipes from freezing.

Local Pricing

HVAC Costs in Waltham

ServiceTypical Cost
AC Repair$175 - $525
Furnace Repair$175 - $475
AC Installation$4,500 - $9,500
Furnace Installation$3,500 - $7,500
Full System (AC + Furnace)$10,000 - $20,000

Prices based on quotes from contractors in the Northeast market. Harsh winters make furnace efficiency critical. Many Northeast homes have older heating systems requiring upgrades to meet modern efficiency standards.

HVAC fan iconWhy Use Our Directory

Top-Rated HVAC Contractors in Your Area

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4.5+ Star Contractors Only

We only list contractors rated 4.5+ stars by verified local homeowners.

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Quotes Done Daily.

Get quotes from local HVAC contractors in hours not weeks.

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Licensed & Insured Pros

Every contractor in our directory is licensed, insured, and background-checked.

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Local Service, Local Trust

Connect with pros who know your neighborhood and service your zip code.

HVAC fan iconWhat Local Pros Offer

Common HVAC Maintenance
Packages

These are typical maintenance packages offered by contractors in our network. Actual pricing and services vary by contractor.

Comfort

  • Heating system inspection
  • Air filter replacement
  • Thermostat calibration check

Comfort Pro

  • Everything in Basic, plus:
  • Clean condenser coil
  • AC system inspection
  • Drain line flush
  • Electrical connections check

Comfort Elite

  • Everything in Standard, plus:
  • AC refrigerant leak detection & repair
  • AC fan inspection & replacement (if needed)
  • Priority scheduling
  • 15% discount on repairs
  • No overtime charges

Comfort

  • Heating system inspection
  • Air filter replacement
  • Thermostat calibration check

Comfort Pro

  • Everything in Basic, plus:
  • Clean condenser coil
  • AC system inspection
  • Drain line flush
  • Electrical connections check

Comfort Elite

  • Everything in Standard, plus:
  • AC refrigerant leak detection & repair
  • AC fan inspection & replacement (if needed)
  • Priority scheduling
  • 15% discount on repairs
  • No overtime charges

HVAC fan iconReviews

What Waltham Customers Say

From initial contact through wrap up - Elemental Heating was professional and genuinely courteous. The technician, Scott, arrived precisely on time with a friendly and positive demeanor. He promptly diagnosed my furnace issue and explained the problem clearly with a breakdown of the repair cost. Though I had only scheduled a diagnostic, he was able to make the repair on the spot - truly appreciated his flexibility to accommodate my own schedule. He completed the work efficiently and left the space clean and tidy. Great expertise - I will reach out to Elemental for any future HVAC needs.

M

Michelle L

Review of Elemental Heating & Cooling

Customer service representative helping a client with HVAC questions

1,000+

Cities
Covered

HVAC technician inspecting heating and cooling equipment
Trusted Contractor Directory

HVAC fan iconFaq

Waltham HVAC Questions Answered

Find the right HVAC contractor in Waltham. We connect you with licensed, insured professionals who deliver quality service—backed by real customer reviews.

How often should I change my air filter?

Every 1-3 months. Closer to 30 days if you have pets, allergies, or live in a dusty area. A dirty filter makes your system work harder and die sooner. Set a phone reminder.

How do I know if I should repair or replace my system?

General rule: If the repair costs more than half what a new system costs, replace it. Also replace if your system is 15+ years old and breaking down often. We'll give you both options with real numbers - no pressure.

How often should I schedule maintenance?

Twice a year. AC tune-up in spring (March-May). Furnace tune-up in fall (Sept-Nov). Catches problems early and keeps your warranty valid.

Do you offer financing?

Yes, we have several financing packages and monthly payment plans available.

What size HVAC system do I need for my home?

It depends on your home's square footage, insulation, windows, and local climate. A good contractor will perform a Manual J load calculation rather than just sizing based on square footage. Oversized systems waste energy and provide poor humidity control.

How long should a new HVAC system last?

With proper maintenance, furnaces last 15-20 years and air conditioners 12-15 years. Heat pumps typically last 12-15 years. Regular filter changes and annual tune-ups help maximize lifespan and efficiency.

What rebates are available for new HVAC equipment?

Federal tax credits offer up to $2,000 for heat pumps and $600 for high-efficiency furnaces and AC. Many utilities offer additional rebates of $200-500. Your contractor should know the current local incentives.

Do I need a permit to replace a furnace in Waltham?

Yes, in Massachusetts you need a permit to install or replace any HVAC system. The City of Waltham Building Department requires permits for all mechanical equipment installations, and violation of the Massachusetts State Building Code can result in fines up to $1,000. Contact the Waltham Building Department to obtain the proper permits before starting any HVAC work.

How much does it cost to replace an HVAC unit in Waltham?

HVAC replacement costs in Massachusetts typically range from $4,800 to $12,000 depending on the system type. Central AC units cost $5,000-$8,500, ductless mini-splits run $4,800-$10,500, and high-efficiency heat pumps range $6,500-$12,000. Local factors and permit fees may affect your total cost in Waltham.

What rebates are available for HVAC upgrades in Waltham?

Waltham homeowners can access Mass Save rebates including up to $16,000 for air source heat pumps and up to $1,500 for integrated controls. Smart thermostat rebates offer up to $100 per unit, and 0% interest HEAT loans up to $25,000 are available for qualifying energy-efficient upgrades.

What is the average electric bill in Waltham?

The average electricity bill in Waltham ranges from $134 to $425 per month, with rates around $0.34 per kWh according to recent data. This is significantly higher than the national average of $0.19/kWh, making energy-efficient HVAC systems particularly valuable for Waltham residents.

HVAC fan iconUtility Services

Local Utility Providers in Waltham

Find contact information for local utility companies serving Waltham, MA.

Gas

National Grid

170 Data Dr, Waltham, MA 02451

Electric

Eversource

198 Calvary St #160, Waltham, MA 02453

Water

Waltham Water Billing

119 School St #10, Waltham, MA 02451

HVAC fan iconLocal Intelligence

HVAC in Waltham: What Local Homeowners Need to Know

HVAC Permits & Building Codes in Waltham

HVAC installations in Waltham require permits through the City of Waltham Building Department. Massachusetts follows the 780 CMR Building Code, which requires permits for any mechanical system installation, alteration, or replacement. Property owners must sign permit applications, and all work must comply with state plumbing, electrical, and mechanical codes. Violations can result in fines up to $1,000, making proper permitting essential for any HVAC project.

HVAC Rebates & Incentives for Waltham Homeowners

Waltham residents have access to substantial HVAC rebates through Mass Save, including up to $16,000 for air source heat pumps and up to $1,500 for integrated controls. The program offers 0% interest HEAT loans up to $25,000 and smart thermostat rebates up to $100 per unit. The City of Waltham's Energy Action Committee also promotes rebates for energy-efficient gas furnaces, air conditioning systems, and hot water heaters through state programs.

Energy Costs in Waltham

Waltham residents face high energy costs with electricity rates around $0.34 per kWh, nearly 79% higher than the national average. Monthly electric bills range from $134 to $425, with the average being approximately $157-313 per month. These elevated costs, served primarily by Eversource and the Waltham Community Electricity program, make energy-efficient HVAC systems crucial for managing utility expenses over the long term.

HVAC fan iconVent Sessions News

The Comfort Chronicle

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