Business Details
Emergency
services
Trusted HVAC Services in Forest Hill, MD
Mullhausen Heating & Air Conditioning has served Harford and Baltimore County residents for 20 years, delivering expert HVAC solutions. Our licensed, bonded, and insured technicians specialize in heating, ventilation, and air conditioning service and sales, prioritizing energy efficiency and system longevity. We offer comprehensive services including system maintenance, repairs, and installations for oil, gas, and electric systems. Our team provides service contracts with parts and labor warranties, ensuring reliable performance. As an authorized Generac dealer, we install and service home standby and portable generators. We help customers reduce annual fuel usage by up to 35% through high-efficiency systems while offering special financing options through Synchrony Financial.Our commitment to quality workmanship and customer satisfaction drives every service call, including 24-hour emergency support. We serve both residential and commercial clients, focusing on tailored climate control solutions. Our technicians receive factory training for Generac products and maintain expertise across all major HVAC brands. With office hours Monday through Friday from 7:30 AM to 4:30 PM, we combine technical proficiency with personalized service to meet diverse heating and cooling needs.
Services
HVAC Maintenance
Furnace Repair
Air Conditioning Installation
Heat Pump Services
Boiler Installation
Duct Work Design
Oil Tank Installation
Air Purification Systems
Generator Sales
Generator Service
Highlights and features
- 20 years of experience in HVAC services across Harford and Baltimore Counties
- Certified technicians trained for all major HVAC brands and Generac products
- Energy-efficient systems reducing utility bills by up to 40%
- 24-hour emergency service available for urgent heating and cooling needs
- Special financing options available through Synchrony Financial
Services
HVAC Maintenance
Our HVAC maintenance services include annual inspections and tune-ups to ensure optimal system performance. Technicians check heating and cooling components for wear, clean critical parts, and verify energy efficiency. Regular maintenance prevents breakdowns while extending equipment lifespan for residential and commercial clients.
Generator Installation
As an authorized Generac dealer, we install home standby and portable generators for emergency power needs. Factory-trained technicians handle proper placement, electrical connections, and system testing. Our installations ensure reliable backup power during outages for essential home systems.
Air Conditioning Repair
We provide comprehensive air conditioning repair for central and window units across all brands. Technicians diagnose refrigerant levels, compressor function, and thermostat operation. Emergency repairs restore cooling capacity quickly during peak summer months.
Boiler Replacement
Our boiler replacement service installs high-efficiency oil-fired systems that reduce annual fuel usage by up to 35%. Certified technicians handle proper sizing, venting, and integration with existing plumbing. New systems improve heating performance while lowering utility costs.
Duct Work Design
Custom duct work design optimizes airflow distribution for new and existing HVAC systems. We assess building layout, insulation levels, and occupancy patterns to create efficient ventilation pathways. Properly designed ducts improve indoor air quality and system efficiency.
Questions
Do you service both residential and commercial HVAC systems?
Yes, we provide heating, cooling, and ventilation services for both residential and commercial properties across Harford and Baltimore Counties.
Are financing options available for new HVAC installations?
Yes, special financing through Synchrony Financial is available for new system installations, subject to credit approval.
What emergency HVAC services do you offer?
We provide 24-hour emergency service for urgent heating and cooling repairs outside regular business hours.
Do you install energy-efficient HVAC systems?
Yes, we specialize in high-efficiency furnaces and air conditioners that can reduce utility bills by up to 40%.
Are you an authorized Generac generator dealer?
Yes, we are authorized to sell and service Generac home standby and portable generators with factory-trained technicians.
