Business Details
Emergency
services
Your Trusted HVAC Experts in Forest Hill, MD
Mullhausen Heating & Air Conditioning has served Harford and Baltimore Counties for two decades, delivering expert HVAC solutions tailored to residential needs. Our certified technicians prioritize energy efficiency and system longevity, offering comprehensive services from routine maintenance to full system replacements. We specialize in oil, gas, and electric heating systems, air conditioning units, and Generac generator installations. Our commitment to quality is reflected in our licensed, bonded, and insured status, along with service contracts and parts warranties. We partner with Synchrony Financial to provide special financing options for new system installations.Our team emphasizes customer education, offering energy-saving tips and personalized system recommendations. With 24-hour emergency service and a focus on first-time-right repairs, we ensure year-round home comfort. Our MHIC certification (#28267) and Generac factory training underscore our technical expertise. We maintain transparent communication through detailed inspections and clear pricing. Our 20-year track record demonstrates our dedication to reliable, customer-centric HVAC solutions.
Services
HVAC Maintenance
Generator Installation
Boiler Repair
Air Conditioning Service
Furnace Replacement
Ductwork Design
Oil Tank Installation
Air Purification Systems
Highlights and features
- We offer 20 years of local HVAC expertise in Harford & Baltimore Counties
- Our technicians are factory-trained for Generac generator installations
- We guarantee first-time-right repairs with licensed, bonded professionals
- Our energy audits help customers save up to 40% on utility bills
- We provide 24-hour emergency service with transparent pricing
Associations and certifications
- Maryland Home Improvement Commission (MHIC)
Services
HVAC Maintenance
Our annual HVAC maintenance includes comprehensive inspections, component cleaning, and efficiency testing. Technicians check refrigerant levels, electrical connections, and air filters to optimize performance. Regular maintenance extends system lifespan while reducing energy costs by up to 30%.
Generator Installation
We install and service Generac home standby and portable generators. Our certified technicians ensure proper sizing, safe installation, and code compliance. Emergency power solutions protect homes during outages with automatic transfer switches and fuel system integration.
Boiler Repair
Our specialists diagnose and repair all boiler types including oil-fired water heaters. Services cover pressure adjustments, burner maintenance, and leak repairs. We maintain system efficiency while ensuring safe operation through certified repair protocols.
Air Conditioning Service
We service central AC units and heat pumps with refrigerant management, coil cleaning, and thermostat calibration. Our diagnostics identify efficiency losses and prevent mid-season failures. Emergency repairs restore cooling within our 24-hour service window.
Furnace Replacement
We offer high-efficiency furnace installations with SEER-rated systems that reduce energy bills up to 40%. Our process includes load calculations, ductwork evaluation, and proper venting. New installations come with manufacturer warranties and financing options.
Questions
Do you offer emergency HVAC services?
Yes, we provide 24-hour emergency service for heating and cooling system failures.
What areas do you service?
We serve Harford County and Baltimore County residential properties for all HVAC needs.
Are financing options available?
Yes, we offer special financing through Synchrony Financial for new system installations.
Do you service Generac generators?
As authorized dealers, we provide factory-trained service and installation for Generac standby and portable generators.
What HVAC maintenance benefits exist?
Annual maintenance improves efficiency up to 30%, extends system lifespan, and prevents costly breakdowns.
