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Dormatech Mechanical Systems, Inc.HVAC contractor in Vallejo, CA

Dormatech Mechanical Systems, Inc. is an HVAC contractor at 400 Contra Costa St, Vallejo, CA 94590, ranked #33 of 361 HVAC contractors in Vallejo and rated 3.4 from 5 Google reviews. Open 24 hours a day, 7 days a week.

Vallejo, CAUpdated 0 paid placements in any rankingHow we rank

Call (707) 653-4344Website ↗

Key facts

Key facts about Dormatech Mechanical Systems, Inc.
Address400 Contra Costa St, Vallejo, CA 94590Get directions
Phone(707) 653-4344
Websitedormatechinc.com
HoursOpen 24 hours, 7 days a week
Google rating3.4 from 5 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Vallejo and 11 towns within 25 miles: American Canyon, Rodeo, Benicia, Hercules, Pinole, Martinez, Tara Hills, El Sobrante, San Pablo, Richmond and Kensington.

Based in Vallejo, CAView on map

Opening hours

Opening hours for Dormatech Mechanical Systems, Inc.
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Dormatech Mechanical Systems, Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Dormatech Mechanical Systems, Inc. (this business)—573.4 (5)—YesYes
EHC HEATING AND COOLING#31574.7 (55)—YesYes13.6 mi
Green Air Heating and Air Conditioning, Inc.#32574.6 (69)—YesYes13.1 mi
Your Choice Cooling & Heating#34575.0 (8)—YesYes1.5 mi

See all 361 ranked HVAC contractors in Vallejo

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.4from 5 Google reviews

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Questions about Dormatech Mechanical Systems, Inc.

How is Dormatech Mechanical Systems, Inc. ranked in Vallejo?

Dormatech Mechanical Systems, Inc. is ranked #33 of 361 HVAC contractors in Vallejo by CR Score, with 57 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Dormatech Mechanical Systems, Inc.’s hours?

Dormatech Mechanical Systems, Inc. is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Dormatech Mechanical Systems, Inc. serve?

Serves Vallejo and 11 towns within 25 miles: American Canyon, Rodeo, Benicia, Hercules, Pinole, Martinez, Tara Hills, El Sobrante, San Pablo, Richmond and Kensington. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Dormatech Mechanical Systems, Inc.?

Dormatech Mechanical Systems, Inc. has a rating of 3.4 from 5 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Dormatech Mechanical Systems, Inc.?

Call Dormatech Mechanical Systems, Inc. on (707) 653-4344. The business is at 400 Contra Costa St, Vallejo, CA 94590. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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