TriState Home Services
Frederick, MD HVAC · #4 of 5
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
Review sentiment: 88/100
At a glance
- Google rating
- 4.8★ from 1,735+ reviews
- Services
- 9 HVAC services
- Service area
- Frederick, MD
- Phone
- +1-301-241-0429
Overview
TriState lists cooling repair and installation as core services. TriState's site advertises 24/7 emergency response. TriState notes financing options and free estimates on major projects. Frederick's humid summers make fast AC response important for home comfort. Reviews often reference technicians arriving promptly for emergency calls.
Full-service HVAC contractor serving Frederick and the surrounding tri-state area, focused on cooling repair and mini-splits. Their site advertises 24/7 emergency response for no-heat or no-cool calls. Financing available and free estimates are listed on the company's service pages. On-site arrival "about an hour" is advertised for many service calls.
Score breakdown
Frederick, MD HVAC average is 84/100. Ranks #4 of 5 listed HVAC providers in Frederick, MD.
Editorial Review
79
48%
Google Rating
93
18%
Local Search Rank
68
10%
Review Sentiment
88
16%
Review Volume
88
10%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Frederick average
| Signal | TriState Home Services | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 83/100 | 84/100 | -1 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,735+ | 780+ | +957 vs avg |
What customers say
Reviewers praise:
fast emergency responsepunctualityclear estimatessmart-thermostat installs
Pros
Strengths
- High Google rating (4.8★ across 1,735+ reviews)
When to choose them
- You need indoor air quality work
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,735+ reviews)
Consider alternatives if
- You want a BBB-rated firm specifically
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
Service area
Frederick, MDhome
Contact & hours
📞
🌐
✉️
📍
🕒
Call for hours
Frequently asked questions
What are the pros of TriState Home Services?
Based on public records and customer reviews: High Google rating (4.8★ across 1,735+ reviews); Emergency response: 24/7; Financing available; Free estimates; Indoor air quality services; Mini-split system specialist; Specializes in AC repair.
When should I choose TriState Home Services?
Choose them if: You need indoor air quality work; You need to finance the work; You want a top-rated provider with substantial review history (4.8★, 1,735+ reviews).
What is the Vouched Score for TriState Home Services?
83/100. Top contributing signals: Google Rating 93/100+ Review Sentiment 88/100, Google Review Count 88/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How can I contact TriState Home Services?
Call TriState Home Services at +1-301-241-0429. Address: 82A Wormans Mill Ct, Frederick, MD 21701, USA.
What does HVAC service typically cost when working with a Frederick, MD provider like TriState Home Services?
AC repair typically runs $160–$695, and full AC system replacement runs $5,900–$13,900 in Frederick, Maryland. These are area-wide market estimates, not TriState Home Services's quotes. For an exact price, request a written estimate from TriState Home Services.
Does TriState Home Services do AC Repair in Frederick, MD?
Yes. TriState Home Services lists AC Repair among its services and serves Frederick, MD. Call +1-301-241-0429 for a quote.
Does TriState Home Services do AC Replacement in Frederick, MD?
Yes. TriState Home Services lists AC Replacement among its services and serves Frederick, MD. Call +1-301-241-0429 for a quote.
Does TriState Home Services do HVAC Installation in Frederick, MD?
Yes. TriState Home Services lists HVAC Installation among its services and serves Frederick, MD. Call +1-301-241-0429 for a quote.
Does TriState Home Services do Emergency HVAC Service in Frederick, MD?
Yes. TriState Home Services lists Emergency HVAC Service among its services and serves Frederick, MD. Call +1-301-241-0429 for a quote.
Does TriState Home Services do Heat Pump Service in Frederick, MD?
Yes. TriState Home Services lists Heat Pump Service among its services and serves Frederick, MD. Call +1-301-241-0429 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
TriState Home Services (this company) |
83/100 | 4.8★ (1,735+) | — |
| 85/100 | 5.0★ (960+) | 10+ | |
Warner Service ⭐ Best for Furnace Repair · ⭐ Best Labor Warranty |
84/100 | 4.8★ (560+) | 89+ |
Frederick Air Inc ⭐ Best NATE-Certified Team |
85/100 | 4.9★ (770+) | 34+ |
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Profile last updated July 20, 2026.