Greenfox Cooling, Heating & Plumbing
Columbia, MD Indoor Air Quality · 35+ 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
⏱ 35+ years in business
Review sentiment: 88/100
At a glance
- Google rating
- 4.8★ from 255+ reviews
- In business
- 35+ years
- Service area
- Columbia, MD + 1 nearby
- Phone
- +1-443-574-4328
Overview
ERV/HRV ventilation is listed as a specialization on Greenfox's site. Greenfox lists flat-rate pricing and financing options. The company reports same-day emergency response from its Columbia office. Greenfox notes 35+ years serving Howard County homeowners. Columbia's humid summers increase the value of balanced ventilation strategies.
Indoor air quality installs focused on ERV/HRV ventilation in Columbia, MD. Flat-rate pricing is advertised with financing options. Same-day emergency response is listed for their Columbia service area. The company reports 35+ years in business.
Score breakdown
Editorial Review
72
46%
Google Rating
93
17%
Local Search Rank
29
9%
Review Sentiment
88
15%
Years in Business
100
4%
Review Volume
65
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
What customers say
Reviewers praise:
punctualitytransparent pricingfast emergency responseexperienced troubleshooting
Pros
Strengths
- High Google rating (4.8★ across 255+ reviews)
- Long-established (35+ years in business)
When to choose them
- You need to finance the work
- You value a long-tenured local operator (35+ years in business)
Consider alternatives if
- You want a BBB-rated firm specifically
Service area
Published pricing
Maintenance plans
-
maintenance program
As published: maintenance program"…ery single time. Be sure to take advantage of our maintenance program. Contact us at or request service online today. L…"
Pricing model
-
Flat-rate pricing
As published: Flat-rate pricing"…e area with incredible customer service, up-front flat-rate pricing and unparalleled technical expertise! Our goal is…"
Contact & hours
📞
🌐
📍
🕒
Call for hours
Frequently asked questions
What are the pros of Greenfox Cooling, Heating & Plumbing?
Based on public records and customer reviews: High Google rating (4.8★ across 255+ reviews); Long-established (35+ years in business); Emergency response: same-day; Financing available; Flat-rate, upfront pricing.
When should I choose Greenfox Cooling, Heating & Plumbing?
Choose them if: You need to finance the work; You value a long-tenured local operator (35+ years in business).
What is the Vouched Score for Greenfox Cooling, Heating & Plumbing?
75/100. Top contributing signals: Years In Business 100/100, Google Rating 93/100+ Review Sentiment 88/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Greenfox Cooling, Heating & Plumbing been in business?
Greenfox Cooling, Heating & Plumbing has been operating for 35+ years in Columbia, MD.
How can I contact Greenfox Cooling, Heating & Plumbing?
Call Greenfox Cooling, Heating & Plumbing at +1-443-574-4328. Address: 9160 Rumsey Rd Suite B2, Columbia, MD 21045, USA.
What does indoor air quality service typically cost when working with a Columbia, MD provider like Greenfox Cooling, Heating & Plumbing?
Whole-house HEPA air purifier typically runs $1,450–$3,900, and UV-C germicidal lamp runs $295–$1,200 in Columbia, Maryland. These are area-wide market estimates, not Greenfox Cooling, Heating & Plumbing's quotes. For an exact price, request a written estimate from Greenfox Cooling, Heating & Plumbing.
What pricing terms does Greenfox Cooling, Heating & Plumbing publish on their website?
Greenfox Cooling, Heating & Plumbing's website publishes: maintenance program, Flat-rate pricing. Promotions and plans change — confirm currently-available terms with Greenfox Cooling, Heating & Plumbing before acting.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Greenfox Cooling, Heating & Plumbing (this company) |
75/100 | 4.8★ (255+) | 35+ |
| 77/100 | 4.9★ (305+) | 19+ | |
Carroll Mechanical ⭐ Best for Whole-Home Air Purification |
80/100 | 4.9★ (570+) | 10+ |
Listed in
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Profile last updated July 21, 2026.