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TriState Home ServicesHVAC contractor in Frederick, MD

TriState Home Services is an HVAC contractor at 82A Wormans Mill Ct, Frederick, MD 21701, ranked #18 of 267 HVAC contractors in Frederick and rated 4.9 from 1,665 Google reviews. Open Monday to Friday.

Frederick, MDUpdated 0 paid placements in any rankingHow we rank

Call (866) 624-5970Website ↗

Key facts

Key facts about TriState Home Services
Address82A Wormans Mill Ct, Frederick, MD 21701Get directions
Phone(866) 624-5970
Websitetristatehomeservices.com
HoursMonday to Friday: 7:30 AM – 4:30 PM
Google rating4.9 from 1,665 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category
  • Electricaladditional Google category

Service area

Serves Frederick and 11 towns within 25 miles: Spring Ridge, Walkersville, Ballenger Creek, Urbana, Linganore, Green Valley, Thurmont, Mount Airy, Damascus, Brunswick and Clarksburg.

Based in Frederick, MDView on map

Opening hours

Opening hours for TriState Home Services
DayHours
Monday7:30 AM – 4:30 PM
Tuesday7:30 AM – 4:30 PM
Wednesday7:30 AM – 4:30 PM
Thursday7:30 AM – 4:30 PM
Friday7:30 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

TriState Home Services compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
TriState Home Services (this business)—614.9 (1,665)—NoNo
Alexair, LLC#16615.0 (119)—YesYes3.1 mi
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical#17614.8 (4,764)—YesYes23.1 mi

See all 267 ranked HVAC contractors in Frederick

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 1,665 Google reviews

Hired TriState Home Services? Write a review

Questions about TriState Home Services

How is TriState Home Services ranked in Frederick?

TriState Home Services is ranked #18 of 267 HVAC contractors in Frederick 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 TriState Home Services’ hours?

TriState Home Services is open Monday to Friday. Its listed hours are Monday to Friday, 7:30 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 TriState Home Services serve?

Serves Frederick and 11 towns within 25 miles: Spring Ridge, Walkersville, Ballenger Creek, Urbana, Linganore, Green Valley, Thurmont, Mount Airy, Damascus, Brunswick and Clarksburg. 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 TriState Home Services?

TriState Home Services has a rating of 4.9 from 1,665 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 TriState Home Services?

Call TriState Home Services on (866) 624-5970. The business is at 82A Wormans Mill Ct, Frederick, MD 21701. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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