HSC Associates Inc
Heating & Air-Conditioning
Ithaca NY
HSC Associates Inc
HSC Associates Main Image
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We Are an Independant Lennox Dealer
607 273-2180


Boilers & Water Heaters



High Efficiency Condensing Gas Boilers

Meets all Federal Tax Credit Requirements
Peerless Purefire
  • Up to 97.3% AFUE - ENERGY STAR Efficient*!
  • Gas-fired Condensing Boiler for Natural or LP Gas
  • 6 Sizes Available - Residential and Commercial
  • Direct-vent, Sealed Combustion
  • Fully Modulating Burner for Maximum Efficiency
  • Factory Tested, Pre-Mixed Gas Burner Technology
  • ASME and ETL Certified for U.S. and Canada
  • Environmentally Friendly -- LoNOx Operation
  • Sleek, Modern Design with Easy Access to Controls
  • Compact, Lightweight and Small Footprint
  • Cascade Capable -- up to 16 Boilers

The PUREFIRE boiler includes a full one-year warranty. A one-year parts and labor warranty will also be provided (labor coverage starting on day 31) if the warranty registration card is returned. In addition, the heat exchanger is covered by a 12-year limited warranty. Visit PeerlessBoilers.com for complete details.

* residential models



Weil-McLain GV90+
High Efficiency Cast Iron Gas Boilers

GV90+ Cast Iron Boiler
  • 91% AFUE efficient
  • Durable cast iron primary heat exchanger
  • Condensing stainless steel secondary heat exchanger
  • Unique 7 pass heat exchanger design maximizes heat transfer
  • Vents with PVC
  • Multiple ventilation options (direct vent, direct exhaust, concentric)
  • Easy conversion to propane (kit included)
AFUE (%)
CSA Input (MBH)
Net (MBH)
DOE Heating Cap. (MBH)
Vent Size (in.)


Vaughn Top Performance Plus - Water Heater

Vaughn Water Heater


  • Heavy Duty Construction
    • Hydrastone Cement lining provides long tank life
    • Plastic jacket will not rust, scratch or dent eliminating damage and is maintenance free
    • No sacrificial anode rod required
  • High Efficiency
    • Industry's lowest standby heat loss reduces your operating costs
  • Advanced Electronic Controller
    • Electronic thermostat provides accurate & reliable temperature control
  • Comprehensive Warranty
    • Industry's First, 2/10 Limited Warranty Two year labor, ten year full tank replacement including coil
    • Commercial 5 Year Limited Warranty


WEIL-McLain WGO Oil Fired Water Boiler
NYSEG rebate available

Weil-McLain WGO Oil Fired Water Boiler

A residential oil-fired hot water boiler without a tank less heater opening, with all the features installers and homeowners have asked for: Outstanding performance, innovative design, easier to install and service, top or back venting, limited lifetime warranty.

Efficiency Ratings: With an efficiency rating of 85% AFUE (Annual Fuel Utilization Efficiency), this product meets the ENERGY STAR guidelines for energy efficiency.



RUUD Ultra Series Hybrid Electric Water Heater

Ruud Ultra Series Hybrid Electric Water Heater

Professional Ultra® Hybrid Electric is the most efficient water heater available – with up to $5,000 in lifetime savings and less than 2 year payback* Efficiency

Efficiency Ratings: With an efficiency rating of 85% AFUE (Annual Fuel Utilization Efficiency), this product meets the ENERGY STAR guidelines for energy efficiency.

  • High 3.55 - 3.70 UEF- uS
  • ENERGY STAR® rated


  • Delivers hot water faster than most standard electric water heaters – 67 gallons first-hour delivery for 50-gallon model, 75 gallons FHD for 65-gallon model and 89 gallons FHD for 80-gallon model
  • Ambient operating range: 37-145° F is widest in class, offering more days of HP operation annually; designed to meet Northern Climate Spec (Tier 3)


  • LCD Screen with built-in water sensor alert with audible alarm
  • EcoNet ® WiFi-connected technology and free mobile app gives users control over water systems, allowing for customizable temperature, vacation settings, energy savings and system monitoring at home or away. Visit Rheem.com/EcoNetConnect
  • Water sensor detects water outside of the unit and sends an alert via the free Rheem EcoNet® mobile app to the homeowner


  • Premium grade anode rod with resistor extends the life of the tank
  • 3/4" NPT water inlet and outlet; 3/4" condensate drain connections
  • Incoloy stainless steel resistor elements
  • Dry-fire protection
  • Easy access, top mounted washable air filter
  • 2" Non-CFC foam insulation
  • Enhanced flow brass drain valve
  • Temperature and pressure relief valve installed
  • Low lead compliant

Contact us today to see how we can help you with your heating and air-conditioning needs.

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HSC Associates Inc
618 W. Buffalo Str.
Ithaca, NY 14850
Phone: 607-273-2180