Heat pump repair tips when the system will not heat
If your heat pump isn't heating, use these simple thermostat, indoor, and outdoor unit checks-and learn when Emergency Heat helps or hurts.
Farnen & Dermer
10500 Reisterstown Rd, Owings Mills, MD 21117
4.8
(917 reviews)
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Key Highlights
- Serving Baltimore County
- Family-owned since 1902 with five generations of experience
- Licensed, factory-trained HVAC technicians
- Offers same-day appointments and 24/7 emergency service
- A+ rating from the Better Business Bureau
About Farnen & Dermer
Farnen & Dermer is a family-owned HVAC company serving Baltimore, MD, with over 100 years of experience since 1902. They provide heating, cooling, and indoor air quality services including installation, repair, and maintenance for furnaces, boilers, and air conditioning systems. Their licensed technicians offer same-day appointments and 24/7 emergency service throughout Baltimore County. Known for their expertise in energy-efficient HVAC solutions and indoor air quality improvements, Farnen & Dermer combines a long-standing heritage with modern technology to meet local climate needs and customer preferences.
Our Expert Evaluation
Workmanship Quality:
5
Responsiveness & Reliability:4.7
Pricing Transparency & Value:4.7
Professionalism & Communication:4.9
Safety & Compliance:4.2
Aftercare Support & Warranty:4.8
Overall Rating
Based on
6 Categories
We rate HVAC providers on service quality, technical expertise, responsiveness, customer feedback, value for money, and reliability, using a mix of verified reviews and independent research.
Service Types
AC Repair
Furnace Repair
Boiler Repair
AC Installation & Replacement
Furnace Installation & Replacement
Amenities
Heating System Installation and Repair
Air Conditioning Installation and Repair
Boiler Installation and Repair
Indoor Air Quality Services
HVAC Tune-Up and Maintenance
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Location
10500 Reisterstown Rd, Owings Mills, MD 21117
Serving Baltimore CountyHours of Operation
| Monday | 12:00 AM - 12:00 AM |
| Tuesday | 12:00 AM - 12:00 AM |
| Wednesday | 12:00 AM - 12:00 AM |
| Thursday | 12:00 AM - 12:00 AM |
| Friday | 12:00 AM - 12:00 AM |
| Saturday | 12:00 AM - 12:00 AM |
| Sunday | 12:00 AM - 12:00 AM |
Contact Information
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