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Jeff MacKay MechanicalHVAC contractor in Saint Johnsbury, VT

Jeff MacKay Mechanical is an HVAC contractor at 185 School St, Littleton, NH 03561, ranked #1 of 12 HVAC contractors in Saint Johnsbury and rated 4.9 from 32 Google reviews. Open Monday to Friday.

Saint Johnsbury, VTUpdated 0 paid placements in any rankingHow we rank

Call (603) 444-6770Website ↗

Key facts

Key facts about Jeff MacKay Mechanical
Address185 School St, Littleton, NH 03561, Saint Johnsbury, VTGet directions
Phone(603) 444-6770
Websitejeffmackaymechanical.com
HoursMonday to Friday: 8 AM – 4:30 PM
Google rating4.9 from 32 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Saint Johnsbury and 2 towns within 25 miles: St Johnsbury and Lyndon.

Based in Saint Johnsbury, VTView on map

Opening hours

Opening hours for Jeff MacKay Mechanical
DayHours
Monday8 AM – 4:30 PM
Tuesday8 AM – 4:30 PM
Wednesday8 AM – 4:30 PM
Thursday8 AM – 4:30 PM
Friday8 AM – 4:30 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

Jeff MacKay Mechanical compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Jeff MacKay Mechanical (this business)—614.9 (32)—NoNo
Trombly Plumbing & Heating LLC#2603.8 (22)———14.3 mi
Roland C Abbott Plumbing & Heating, LLC#3604.2 (37)—NoNo0.5 mi

See all 12 ranked HVAC contractors in Saint Johnsbury

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 32 Google reviews

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Questions about Jeff MacKay Mechanical

How is Jeff MacKay Mechanical ranked in Saint Johnsbury?

Jeff MacKay Mechanical is ranked #1 of 12 HVAC contractors in Saint Johnsbury by CR Score, with 61 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 Jeff MacKay Mechanical’s hours?

Jeff MacKay Mechanical is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Jeff MacKay Mechanical serve?

Serves Saint Johnsbury and 2 towns within 25 miles: St Johnsbury and Lyndon. 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 Jeff MacKay Mechanical?

Jeff MacKay Mechanical has a rating of 4.9 from 32 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 Jeff MacKay Mechanical?

Call Jeff MacKay Mechanical on (603) 444-6770. The business is at 185 School St, Littleton, NH 03561, Saint Johnsbury, VT. 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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