Beat the heat, skip the hold. Book your appointment in minutes with Lucy, our automated concierge, or schedule online. Available 24/7, even on our busiest summer days.

Enter our Oldest Furnace Contest!

HVAC, Plumbing Services in Dansville, NY

Reliable home systems support daily comfort and household routines. Isaac Heating & Air Conditioning serves homes throughout Western New York. Our team provides plumbing and HVAC services in Dansville, NY. We evaluate each concern before recommending repair, maintenance, installation, or replacement.

Contact Isaac for plumbing and HVAC services in Dansville today.

Emergency Service Available (585) 226-3800

Why Choose Isaac Heating

Isaac has served the region since 1945 as a family-owned business. As a trusted HVAC company, Isaac provides upfront pricing and 24-hour service. Licensed, background-checked professionals bring certified trade experience to each appointment.

Clients choose Isaac for these established advantages:
  • Family ownership since 1945
  • Licensed and certified professionals
  • Service for many equipment brands
  • Free replacement estimates

Heating and Cooling Services

We install, maintain, diagnose, and replace residential comfort equipment. Our heating services cover boilers, heat pumps, ductless systems, and forced-air equipment. We also provide air conditioning installation, maintenance, and system evaluation.

Our home comfort work includes:
  • AC installation and replacement
  • AC repair
  • AC maintenance
  • HVAC
  • Indoor air quality
  • Thermostats
  • Ductless mini-split
  • Heating installation and replacement
  • Heating repair
  • Heating maintenance
  • Heat pump
  • Boiler

Expert AC Repair and Heating Repair

AC repairs are needed when there is warm airflow, repeated cycling, unusual sounds, or poor temperature control. Furnace repair may help when equipment produces weak output or shuts down early. A furnace also needs evaluation when ignition, airflow, or thermostat problems affect operation.

Professional Plumbing Services

Our licensed plumbers service supply piping, fixtures, drains, sewer lines, sump pumps, and gas lines. Each visit starts by locating the source. Our plumbing services also include leak detection and water treatment equipment.

Available plumbing services include:
  • Pipe repair
  • Sewer
  • Water heaters
  • Expansion tanks
  • Drain cleaning
  • Frozen and burst pipes
  • Toilet services
  • Leak detection
  • Gas line service
  • Sink and faucets
  • Pressure reducing valves
  • Water treatment

Reliable Plumbing Repair Solutions

Repairs can correct leaking pipes, running toilets, damaged fixtures, and recurring drain problems. Low pressure or water stains may point to a hidden leak. Slow drains or backups may indicate a deeper restriction.

Water Heater Services

We install, maintain, and repair traditional and tankless water heaters. Our plumbers inspect leaks, corrosion, unusual noises, and inconsistent temperatures before recommending work. We help you select equipment based on demand, fuel type, venting, electrical capacity, and available space.

Our hot-water services include:
  • Installation and replacement
  • Diagnosis and repair
  • Maintenance and flushing
  • Traditional and tankless models

Water Heater Installation and Repair

Professional sizing helps equipment meet normal household demand. Installation requires correct water, fuel, electrical, venting, and drainage connections. Repair may remain appropriate when one serviceable component causes the problem.

Serving Homes Throughout Dansville

Dansville experiences warm summers and cold winters that place different demands on home systems. Seasonal inspections prepare equipment before sustained use. Freezing temperatures can also affect exposed pipes.

Our local service area includes:
  • Downtown Dansville
  • Stony Brook Area
  • Clara Barton Street District
  • Maple Street Neighborhood
  • And all areas of Dansville

Schedule Home Services Today

Isaac combines broad service capability with industry involvement. Our HVAC company services many brands and recommends replacement only when appropriate. The business has earned Rochester Top 100 recognition and a BBB International Torch Award. Isaac belongs to ACCA and follows the promise, When You Need Us, We’ll Be There.®

Schedule plumbing and HVAC services in Dansville with Isaac.

Frequently Asked Questions

Similar symptoms can have different causes. Age, installation, maintenance history, and operating conditions influence recommendations. These answers explain when professional evaluation may help.


We install, maintain, diagnose, and replace residential heating and cooling equipment. Our plumbers service drains, pipes, fixtures, sewer lines, sump pumps, and gas lines. We also work on water heaters and related connections.

Schedule cooling service when air conditioning equipment blows warm air, cycles frequently, or produces weak airflow. Request heating service for uneven temperatures, unusual noises, repeated shutdowns, or poor output. A technician can identify the cause and discuss appropriate work.

Professional service may be necessary for active leaks, recurring clogs, low pressure, or water stains. New noises or unexpected water-use changes can also indicate a hidden issue. A licensed plumber can trace the symptom to its source.

Consider replacement when the unit leaks, corrodes, breaks down repeatedly, or cannot provide consistent hot water. Age matters, but maintenance history and overall condition also affect the decision. A plumber can compare repair needs with expected performance and household demand.
piggy bank icon

easy financing

Same-Day Approval Learn More
m-value-prop-img
What To Expect Discover the Isaac Heating & Air Conditioning Difference
Fast, Responsive Service
background-checked Technicians
Membership Plans
Comforting Commitment
Uncompromising Integrity
Emergency Service Available
value-prop-img
Our Reviews

See What Your Neighbors Are Saying

When we bought our home 10 years ago, the prior owners recommended keeping the gold seal plan they had. We were skeptical, but thought we’d keep it going for a year or two until we were better acquainted with the property and equipment. The maintenance and couple emergency services we…

Georgiann V.

Ben and his assistant were professional and on target with their focus on the project. The work space was cleaned up to left better than it was found. Their work was done in a precise manner. I am excited to have Isaac’s be our go to professionals for our HVAC…

Linda W.

Isaac Heating and Air has been an amazing help as a homeowner. Working with Dan and Jacob has been fantastic, and I know that my system is in good hands. Calling to schedule an appt is easy and every employee I have interacted with has made me even happier with…

Joy F.

Greg and Jason were wonderful. They arrived promptly, were polite and got right to work installing our new furnace. They did it in record time. They explained how to use the thermostat in terms I could understand. The work area was immaculate when they left. I was very pleased from…

Elaine S.

Ryan was incredibly knowledgeable, polite and efficient. I very much appreciated his patience in talking through all our options with me regarding the various service plans as well as best practices and recommended next steps. I am a very satisfied customer.

Thomas M.