GMM HVAC LLCHVAC contractor in Lisbon, ME
GMM HVAC LLC is an HVAC contractor in Lisbon, ME, ranked #24 of 144 HVAC contractors in Lisbon and rated 5.0 from 22 Google reviews. Open Monday to Friday.
Lisbon, MEUpdated 0 paid placements in any rankingHow we rank
Key facts
| Phone | (207) 671-2426 |
|---|---|
| Hours | Monday to Friday: 7 AM – 5 PM |
| Google rating | 5.0 from 22 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves Lisbon and 1 town within 25 miles: Old Town.
Based in Lisbon, MEView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 7 AM – 5 PM |
| Tuesday | 7 AM – 5 PM |
| Wednesday | 7 AM – 5 PM |
| Thursday | 7 AM – 5 PM |
| Friday | 7 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| 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.
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
5.0from 22 Google reviews
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Questions about GMM HVAC LLC
How is GMM HVAC LLC ranked in Lisbon?
GMM HVAC LLC is ranked #24 of 144 HVAC contractors in Lisbon by CR Score, with 56 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 GMM HVAC LLC’s hours?
GMM HVAC LLC is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does GMM HVAC LLC serve?
Serves Lisbon and 1 town within 25 miles: Old Town. 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 GMM HVAC LLC?
GMM HVAC LLC has a rating of 5.0 from 22 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.
Own GMM HVAC LLC? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.