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Thermidyne HVACRHVAC contractor in Portsmouth, NH

Thermidyne HVACR is an HVAC contractor at 89 Market St, Portsmouth, NH 03801. Open Saturday and Sunday.

Portsmouth, NH0 paid placements in any rankingHow we rank

Call (603) 499-7416

Key facts

Key facts about Thermidyne HVACR
Address89 Market St, Portsmouth, NH 03801Get directions
Phone(603) 499-7416
HoursSaturday and Sunday: 8 AM – 11 PM

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradebusiness name

Service area

Serves Portsmouth and 11 towns within 25 miles: Rye, Stratham Station, Newmarket, Durham, Dover, Hampton, Exeter, Somersworth, Seabrook, Barrington and Kingston.

Based in Portsmouth, NHView on map

Opening hours

Opening hours for Thermidyne HVACR
DayHours
MondayClosed
TuesdayClosed
WednesdayClosed
ThursdayClosed
FridayClosed
Saturday8 AM – 11 PMevening
Sunday8 AM – 11 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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.

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Questions about Thermidyne HVACR

What are Thermidyne HVACR’s hours?

Thermidyne HVACR is open Saturday and Sunday. Its listed hours are Saturday and Sunday, 8 AM – 11 PM. On Saturdays it is open 8 AM to 11 PM, and on Sundays 8 AM to 11 PM. Hours come from the business listing; holiday hours may differ.

What areas does Thermidyne HVACR serve?

Serves Portsmouth and 11 towns within 25 miles: Rye, Stratham Station, Newmarket, Durham, Dover, Hampton, Exeter, Somersworth, Seabrook, Barrington and Kingston. 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.

How do I contact Thermidyne HVACR?

Call Thermidyne HVACR on (603) 499-7416. The business is at 89 Market St, Portsmouth, NH 03801. Ask for a written estimate before any work starts.

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