When it comes time to replace your heating and cooling system, you want to make sure you’re getting the best deal possible.
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When it comes time to replace your heating and cooling system, you want to make sure you’re getting the best deal possible.

At John Duffy Energy Services, we offer a variety of specials to make buying or servicing your unit more affordable. Since 1891, our family-owned and operated company has been serving our neighbors with a customer-centric approach in service areas throughout North and Central New Jersey. Browse our current specials to find the perfect energy solution for your home or business.

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Save Big with Rebates And Discounts

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In addition to the specials offered by John Duffy Energy services, you may qualify for local and federal tax credits and manufacturer rebates. To learn more about our current specials and applicable restrictions, call us today at 1-800-246-3516. Ready to get started? Fill out our new customer application or log in to your existing account.

GET A FREE NEST WI-FI THERMOSTAT

A $450.00 value!
with the purchase of any new Home Heating System.*

*AC/Heating System must be installed by John Duffy Energy Services Installation Experts. Good for residential properties only and some restrictions apply. Not valid on prior quotes.

GET A FREE NEST WI-FI THERMOSTAT

FALL HVAC TUNE-UP SPECIAL

a $159 $89 Value*
Tune up your HVAC equipment yearly.

Just as a tune-up for your car can improve your gas mileage, a yearly tune-up of your heating and cooling system can improve efficiency and comfort.

FALL HVAC TUNE-UP SPECIAL

15 Point Precision Cooling Tune Up

  • Test carbon monoxide levels.
  • Clean and adjust burner and inspect heat exchanger.
  • Check thermostat operation.
  • Lubricate all motors, bearings, fans and circulator pumps.
  • Clean pilot assembly.
  • Install one 1-inch air filter supplied where applicable.
  • Test and adjust operation of safety and operating controls.
  • Inspect flue pipe and gas valve.
  • Check blower motor (and belt if applicable).
  • Test and tighten all wiring and connections.
  • Turn exposed dampers to heating position if marked (no balancing).
  • Flush condensate drain to protect against overflow.
  • Check temperature rise.
  • Check fan speeds.
  • Inform customer of equipment condition. Recommend necessary repairs.
*Good for residential properties only and some restrictions apply. Not valid on prior quotes.

$500 OFF

NEW SYSTEM
Special Financing Available*

*Offers valid with this ad. Good for residential properties only and some restrictions apply. Not valid on prior quotes.

$500 OFF

FREE

In-Home Comprehensive Assessment
On any system*

*Offers valid with this ad. Good for residential properties only and some restrictions apply. Not valid on prior quotes.

FREE

HUGE SAVINGS

with up to $500 in rebates
When you install a high efficiency heating & air conditioning system.

SAVE MONEY $$ When you purchase new High Efficiency heating and air conditioning system from John Duffy Energy Services. You’ll receive a $300 Warm Advantage Rebate, and a $500 Cool Advantage Rebate.

HUGE SAVINGS