Business Details
Emergency
services
Your Trusted HVAC Partner in Northern New Jersey
Keiser Mechanical Services is a full-service mechanical contracting firm serving Northern New Jersey and the Greater New York Area. Founded on principles of quality, integrity, and superior service, we specialize in heating, air conditioning, ventilation, and refrigeration solutions for residential, commercial, and industrial clients. Our team of certified technicians brings decades of combined experience to every project, ensuring systems operate at peak efficiency. With a focus on personalized service, we prioritize client comfort and satisfaction through tailored HVAC solutions. Our preventative maintenance programs mitigate system failures, saving clients time and money.Backed by industry licenses and certifications, we deliver reliable, cost-effective services supported by 24/7 emergency response capabilities. Our founder, David Keiser, personally oversees operations, leveraging over 30 years of expertise to maintain our reputation for excellence. We serve diverse sectors including healthcare, education, and commercial real estate, addressing complex HVAC challenges with precision. Our commitment to innovation and client-centric service has earned lasting trust among valued customers.
Services
HVAC Installation
Air Conditioning Repair
Commercial Refrigeration
Energy Management
Testing and Balancing
Emergency Services
Residential HVAC
System Maintenance
Clean Room HVAC
Medical HVAC
Highlights and features
- 30+ years of HVAC expertise from founder David Keiser
- Certified technicians trained in all system brands
- 24/7 emergency response for urgent HVAC needs
- Preventative maintenance programs reduce system failures
- Personalized service tailored to client requirements
Associations and certifications
- Master HVAC/R Contractor License #19HC00045900
- Licensed Public Works Contractor #635024
- Licensed HIC #13VH00910100
Services
HVAC Installation
We install heating, ventilation, and air conditioning systems for residential and commercial properties. Our technicians ensure proper sizing and configuration for optimal efficiency. Clients benefit from reduced energy costs and enhanced indoor comfort through modern, code-compliant installations.
Emergency Repairs
Our 24/7 emergency repair service addresses urgent HVAC failures. Certified technicians respond promptly to minimize downtime. Businesses and homeowners receive priority support to restore comfort and prevent equipment damage during critical system failures.
Preventative Maintenance
Scheduled maintenance plans extend equipment lifespan and prevent unexpected breakdowns. We perform comprehensive inspections, cleaning, and adjustments. Clients save on repair costs while maintaining consistent system performance and energy efficiency year-round.
Energy Management
We optimize HVAC systems for energy conservation through advanced control technologies. Services include system audits and retrofit recommendations. Clients achieve lower utility bills while maintaining comfort standards through data-driven efficiency improvements.
Commercial Refrigeration
Specialized refrigeration services for businesses requiring temperature-controlled environments. We service walk-in coolers, freezers, and industrial refrigeration units. Clients benefit from reliable cold storage solutions that protect inventory and comply with health regulations.
People
David Keiser
Founder & President
With over 30 years in the HVAC industry, David Keiser leads operations while maintaining hands-on involvement. His expertise ensures technical excellence and client satisfaction across all projects undertaken by the company.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating, cooling, ventilation, and refrigeration systems across residential, commercial, and industrial sectors.
Are emergency services available after hours?
Yes, our technicians offer 24/7 emergency response to address urgent HVAC failures at any time.
Do you service both homes and businesses?
We serve all property types including residential homes, office buildings, schools, hospitals, and industrial facilities.
What preventative maintenance options exist?
Customized maintenance plans include regular inspections, cleaning, and system optimization to prevent breakdowns and improve efficiency.
Are your technicians certified?
All technicians hold industry certifications and receive ongoing training to service all major HVAC system brands.