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Millas Heating & Cooling LLCHVAC contractor in Conning Towers-Nautilus Park, CT

Millas Heating & Cooling LLC is an HVAC contractor at 800 Flanders Rd Building #12, Mystic, CT 06355, ranked #29 of 132 HVAC contractors in Conning Towers-Nautilus Park and rated 4.9 from 47 Google reviews. Open Monday to Friday.

Conning Towers-Nautilus Park, CTUpdated 0 paid placements in any rankingHow we rank

Call (860) 415-9962Website ↗

Key facts

Key facts about Millas Heating & Cooling LLC
Address800 Flanders Rd Building #12, Mystic, CT 06355, Conning Towers-Nautilus Park, CTGet directions
Phone(860) 415-9962
Websitemillashc.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating4.9 from 47 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Conning Towers-Nautilus Park and 11 towns within 25 miles: Groton, Ledyard, New London, Waterford, Pawcatuck, Montville Center, Preston City, Norwich, Old Saybrook, Plainfield and Windham.

Based in Conning Towers-Nautilus Park, CTView on map

Opening hours

Opening hours for Millas Heating & Cooling LLC
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

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

Millas Heating & Cooling LLC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Millas Heating & Cooling LLC (this business)—794.9 (47)—NoNo
Rich's Heating#27794.2 (5)———5.4 mi
Service Solutions LLC#28794.4 (25)—YesYes16.3 mi
D&V Mechanical INC#30795.0 (44)—YesNo12.5 mi

See all 132 ranked HVAC contractors in Conning Towers-Nautilus Park

Questions about Millas Heating & Cooling LLC

How is Millas Heating & Cooling LLC ranked in Conning Towers-Nautilus Park?

Millas Heating & Cooling LLC is ranked #29 of 132 HVAC contractors in Conning Towers-Nautilus Park by CR Score, with 79 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are Millas Heating & Cooling LLC’s hours?

Millas Heating & Cooling LLC is open Monday to Friday. Its listed hours are Monday to Friday, 8 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 Millas Heating & Cooling LLC serve?

Serves Conning Towers-Nautilus Park and 11 towns within 25 miles: Groton, Ledyard, New London, Waterford, Pawcatuck, Montville Center, Preston City, Norwich, Old Saybrook, Plainfield and Windham. 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 Millas Heating & Cooling LLC?

Millas Heating & Cooling LLC has a rating of 4.9 from 47 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 Millas Heating & Cooling LLC?

Call Millas Heating & Cooling LLC on (860) 415-9962. The business is at 800 Flanders Rd Building #12, Mystic, CT 06355, Conning Towers-Nautilus Park, CT. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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