No -Frost Air Conditioning & Heating, LLC
Ellicott City, MD Indoor Air Quality · 55+ yrs
ⓘ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
⏱ 55+ years in business
Review sentiment: 82/100
At a glance
- Google rating
- 4.7★ from 85+ reviews
- In business
- 55+ years
- Service area
- Ellicott City, MD + 1 nearby
- Phone
- +1-410-461-6422
Overview
Air purification installs are a named offering, with whole-house air cleaning referenced. The company lists ERV/HRV ventilation as a mechanical fresh-air option. No -Frost notes a 2-year labor warranty on installations. No -Frost ties decades of service to Maryland's humid summers and winter heating demands.
Whole-home IAQ installs and HVAC-linked air-quality solutions in Ellicott City and nearby counties. Air purification offerings include whole-house cleaners, per their site. ERV/HRV ventilation installs are listed, including mechanical fresh-air options. Family-owned since 1971, 55+ years serving Howard, Baltimore, and Carroll counties.
Score breakdown
Editorial Review
61
46%
Google Rating
90
17%
Local Search Rank
57
9%
Review Sentiment
82
15%
Years in Business
100
4%
Review Volume
53
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
Pros
Strengths
- High Google rating (4.7★ across 85+ reviews)
- Long-established (55+ years in business)
When to choose them
- You prefer a family-owned operation
- You value a long-tenured local operator (55+ years in business)
Consider alternatives if
- You want a BBB-rated firm specifically
Service area
Published pricing
Promotions
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$100 off new water heater installation offer, upgrad
As published: $100 off new water heater installation offer, upgrad"…ciency goals, and budget considerations. With our $100 off new water heater installation offer, upgrading becomes a more accessible investment. A proper…" -
$25 off any HVAC service
As published: $25 off any HVAC service"…re New Customers Save $25 New customers can enjoy $25 off any HVAC service. Claim Your Discount Today! Not valid with any ot…" -
$100 Off New Water Heater
As published: $100 Off New Water Heater"…st mention this coupon at the time of scheduling. $100 Off New Water Heater Upgrade your home with a new water heater and sav…"
Maintenance plans
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maintenance plan
As published: maintenance plan"…or you're interested in our special $150 low-cost maintenance plan, we provide practical options that fit real house…"
Contact & hours
📞
🌐
✉️
📍
🕒
Call for hours (verify availability)
Frequently asked questions
What are the pros of No -Frost Air Conditioning & Heating, LLC?
Based on public records and customer reviews: High Google rating (4.7★ across 85+ reviews); Long-established (55+ years in business); Emergency response: same-day; 2-Year labor warranty.
When should I choose No -Frost Air Conditioning & Heating, LLC?
Choose them if: You prefer a family-owned operation; You value a long-tenured local operator (55+ years in business).
What is the Vouched Score for No -Frost Air Conditioning & Heating, LLC?
70/100. Top contributing signals: Years In Business 100/100, Google Rating 90/100+ Review Sentiment 82/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has No -Frost Air Conditioning & Heating, LLC been in business?
No -Frost Air Conditioning & Heating, LLC has been operating for 55+ years in Ellicott City, MD.
How can I contact No -Frost Air Conditioning & Heating, LLC?
Call No -Frost Air Conditioning & Heating, LLC at +1-410-461-6422. Address: 4990 Waterloo Rd, Ellicott City, MD 21043, USA.
What does indoor air quality service typically cost when working with a Ellicott City, MD provider like No -Frost Air Conditioning & Heating, LLC?
Whole-house HEPA air purifier typically runs $1,550–$4,100, and UV-C germicidal lamp runs $310–$1,250 in Ellicott City, Maryland. These are area-wide market estimates, not No -Frost Air Conditioning & Heating, LLC's quotes. For an exact price, request a written estimate from No -Frost Air Conditioning & Heating, LLC.
What pricing terms does No -Frost Air Conditioning & Heating, LLC publish on their website?
No -Frost Air Conditioning & Heating, LLC's website publishes: $100 off new water heater installation offer, upgrad, maintenance plan. Promotions and plans change — confirm currently-available terms with No -Frost Air Conditioning & Heating, LLC before acting.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
No -Frost Air Conditioning & Heating, LLC (this company) |
70/100 | 4.7★ (85+) | 55+ |
| 69/100 | 4.9★ (75+) | 35+ |
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Profile last updated July 21, 2026.