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Business Details
28 Years
experience
Your Trusted HVAC Partner for Residential & Commercial Heating, Cooling, and Ventilation
All Service has been a trusted family-owned HVAC contractor since 1998, specializing in customized heating, cooling, and ventilation solutions for residential and commercial clients. Our team, led by Igor Zevin with a Master's in Thermal Power Engineering, prioritizes energy efficiency, reliability, and transparent communication. We focus on long-term customer satisfaction through superior craftsmanship, industry-leading warranties, and cost-effective systems tailored to individual budgets and specifications.

Our reputation is built on repeat clients and referrals, reflecting our commitment to honesty, integrity, and technical expertise. We offer comprehensive services including installation, maintenance, and repair of high-quality systems from trusted brands like Energy Kinetics and Ruud.
Services
Gas and oil Boilers Furnaces Heat pumps Ductless Systems Water Heaters Tankless Heating Steam Humidifiers Rooftop Units Programmable Thermostats Energy Recovery Systems
Details
  • Year established: 1998
Highlights and features
  • We offer over 20 years of experience in HVAC solutions
  • Our team includes certified experts with extensive industry knowledge
  • We provide customized solutions for every budget and specification
  • Our installations come with unmatched warranties from trusted brands
  • We prioritize customer satisfaction with transparent communication and integrity
What people say
Excellent advice Timely replacements Fair pricing Strongly recommend High quality
Services
Heating System Installation
We design and install high-efficiency heating systems tailored to your property's specific needs. Our experts handle gas, oil, and tankless systems with precision engineering and superior craftsmanship. Every installation prioritizes long-term energy savings and reliability while meeting exact architectural specifications.
Air Conditioning Services
Our comprehensive AC solutions include system design, installation, and maintenance for residential and commercial properties. We specialize in ductless systems, heat pumps, and energy recovery units that optimize comfort while reducing operating costs through advanced technology and proper sizing.
Ventilation Systems
We implement whole-house dehumidifiers, UV disinfecting systems, and fresh air solutions to enhance indoor air quality. Our ventilation experts ensure proper airflow management while maintaining energy efficiency through custom-engineered ducting and venting solutions.
Energy Efficiency Upgrades
Our team evaluates existing systems to identify cost-saving opportunities through ENERGY KINETICS and RUUD equipment upgrades. We provide detailed analysis of long-term operating costs versus upfront investment to help clients make informed decisions about energy-efficient replacements.
Custom Fabrication
We offer in-house sheet metal fabrication and custom ductwork solutions for unique architectural requirements. Our fabrication capabilities support complex commercial installations and high-end residential projects requiring specialized engineering and precise execution.
People
Igor Zevin
Owner
With a Master's in Thermal Power Engineering, Igor Zevin leads All Service as a hands-on owner, combining technical expertise with personalized service. He specializes in energy-efficient HVAC solutions and has earned client trust through transparent advice and reliable system performance since 1998.
Questions
What HVAC services do you offer?
We provide complete heating, cooling, and ventilation solutions including installation, maintenance, and repair of boilers, furnaces, heat pumps, ductless systems, and energy recovery units for residential and commercial properties.
How do you help with energy savings?
We analyze your specific needs and recommend ENERGY KINETICS and RUUD systems that optimize efficiency, reduce long-term operating costs, and provide detailed comparisons of lifetime expenses versus upfront investment.
Do you offer warranties on installations?
Yes, we provide industry-leading warranties through our partnership with ENERGY KINETICS and RUUD, covering both equipment and our workmanship for complete system protection.
Are you available for emergency repairs?
While we don't offer 24/7 emergency services, we prioritize timely responses for urgent HVAC issues during regular business hours and schedule repairs based on severity.
What areas do you service?
We serve Connecticut towns including Danbury, Greenwich, and New Milford, plus select New York locations like Southbury and Ridgefield with comprehensive HVAC solutions.