Tetteris Hvac llc.

4.6(103 reviews on Google)

Heat Pump Installer listing in Frederick, MD

About Tetteris Hvac llc.

Tetteris HVAC LLC is a small Frederick company working from Chestnut Grove Road that does HVAC repair, replacement and maintenance for heating and cooling systems. New installations and replacements cover furnaces, air conditioners, heat pumps and air filtration systems. Indoor air quality work includes humidifiers. Annual maintenance plans are offered, financing is available through a link for customers, and free estimates can be booked online. Emergency repairs are handled by phone, and one homeowner reports a broken furnace repaired within three hours of calling. Licensed, bonded and insured. Rated 4.6 from 103 Google reviews, 91 of them five stars and 9 one star. Weekday hours are posted, with weekend visits by appointment only. Testimonials from homeowners describe on-time, tidy work, and the owner, Mike, is named in several of them.

What reviewers mention: courteous staff (8), heating work (5), knowledgeable owner (4), experienced technicians (3), heat pump (3), water heater explanation (2), fast repair (2), last minute call (2), explains issues (2), neat completion (2)

Services and details

  • Installs heat pumps

    Yes

  • Furnaces and boilers

    Yes

  • Financing

    Yes

  • Emergency service

    Yes

  • Maintenance plans

    Yes

  • States license and insurance

    Yes

No information yet on load calculation (Manual J), energy audit or air sealing, ductwork, ductless mini-splits, geothermal, cold-climate heat pumps, dual-fuel or hybrid systems, rebate and EmPOWER help, nATE-certified technicians. The website did not say; call and ask.

Contact

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Listing compiled from public sources on 2026-10-18. Report a correction or request removal. Back to heat pump installers in Frederick.