K G Johnson Inc
K G Johnson Inc Overview
HVAC Installation & Service in Frederick, Maryland
Call 301-698-9805No reviews yet — be the first to share your experience.
4520 Mack Ave, Frederick, Maryland, 21703
Awaiting reviews
Be the first to review this pro
Operational
Status from Google Business Profile
Frederick, Maryland
4520 Mack Ave, Frederick, Maryland, 21703
Highlights
Get in touch with K G Johnson Inc
No answer? Talk to another local pro now
K G Johnson Inc may be booked or closed. This free line reaches an available contractor in the area.
Free referral line — connects you with an available HVAC pro in your area, who may not be this business.
Is this your business?
.
We do not independently verify licensing or insurance — confirm credentials directly with the contractor before hiring.
📍 Where they are
Here's where K G Johnson Inc is located. You can see what's around them. The map also shows other HVAC spots nearby if you want to compare.
Nearby alternatives in Frederick
Compare nearby HVAC contractors that offer similar services in Frederick.
Call to confirm availability and request a quote.
Call to confirm availability and request a quote.
—
Reviews is subject to moderation
Detailed rating breakdown will appear here once more reviews are collected.
What people are saying
No written reviews found yet.
About K G Johnson Inc in Frederick
K G Johnson Inc is a local HVAC contractor based in Frederick, Maryland.
They specialize in residential climate control, offering Air conditioner installation & replacement and Emergency AC repair & diagnostics. This includes SEER2-focused performance checks, airflow balancing, and preventive maintenance.
Familiar with Frederick's mixed weather, they prioritize system efficiency, airflow balance, and seasonal reliability. For estimates, homeowners in 21703 can contact K G Johnson Inc at +1 301-698-9805.
Service Offerings
The company provides the following services:
- Air conditioner installation & replacement
- Emergency AC repair & diagnostics
- Furnace and boiler maintenance
- Heat pump installation & service
- Duct cleaning, sealing & balancing
- Thermostat upgrades & smart zoning
Key Advantages
Service Area
Based in Frederick, serving the greater Maryland area. Contact to confirm service availability for your specific location.
Next Steps
For service inquiries, contact +1 301-698-9805. Request a detailed quote and compare service options.
Other options in Frederick
Questions You Might Have
What services does K G Johnson Inc provide?
K G Johnson Inc handles diagnostics, repair, and replacement for core HVAC systems. Typical work includes refrigerant leak testing, evaporator coil cleaning, blower motor inspection, and condensate drain service to keep airflow and SEER2 efficiency on target.
How do I reach K G Johnson Inc?
Call +1 301-698-9805 for scheduling and diagnostic estimates. The website is www.kgjohnson.com/ for service details. You can also use the quote form on this page.
Is K G Johnson Inc a verified service provider?
This directory does not independently verify licensing or insurance. Confirm K G Johnson Inc's credentials directly with the contractor or your state licensing board before hiring.
Can I get a free estimate from K G Johnson Inc?
Request a quote with system model, equipment age, and any existing faults (e.g., refrigerant leak, thermostat calibration, airflow issues). Call +1 301-698-9805 to confirm diagnostic fees.
Get a Quote from K G Johnson Inc
Tell them what's going on. They'll get back to you with a price.