Serving Worcester & Middlesex CountiesMon–Fri 8–4 · Sat 8–3

Heating & Cooling in Waltham, MA

Precision comfort for Watch City. Book your free Waltham estimate.

Watch City built America's first industrial precision (the great watch factory on the Charles set the standard the world kept time by), and precision is still the right word for what Waltham housing needs. The city mixes every type: two-families and Victorians on the Southside, capes and colonials up the hills, student rentals near Brandeis and Bentley, and condo conversions throughout. Each calls for its own mechanical answer, and we carry the whole toolbox: mini-split retrofits, boiler replacements, central systems, water heaters.

Two-family owners are our steadiest Waltham clients: per-unit mini-split zoning simplifies everything from comfort to utilities, and qualifying heat pump installations may be eligible for Mass Save® rebates up to $16,000. Income-eligible customers may qualify for no-cost efficiency services (MassSave.com/IncomeEligible). Watch-factory standards, kept.

Our Services in Waltham

Mass Save® Rebates in Waltham

As a Mass Save® Heat Pump Leader, we can help Waltham homeowners upgrade to high-efficiency systems. Qualifying installations may be eligible for rebates up to $16,000. We verify your eligibility, and our dedicated office staff assists with the process. Learn more about rebates →

Ready for year-round comfort, and up to $16,000 back?

You may be eligible for Mass Save® rebates on high-efficiency heat pumps. Our dedicated office staff assists with the process.

LaCroix Heating & Cooling

724 Main St

Cherry Valley, MA 01611

(508) 762-9131

Mon–Fri 8:00 am–4:00 pm

Sat 8:00 am–3:00 pm · Sun closed

Locally owned since 2014.
Fully licensed & insured.

Mass Save® Heat Pump Leader
Fujitsu Elite Contractor
BBB Accredited Business, A+ RatedGoogle My Business Reviews, five stars
Licensed & Insured

*Some restrictions apply and offers are subject to change or cancellation. Visit MassSave.com/HEA for full details. Mass Save® is a partnership between Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, and Unitil, working together to help residents, businesses, and communities across Massachusetts save energy.

© 2026 LaCroix Heating & Cooling. All rights reserved.