Current Promotions

Save big when you choose SG Heating & Air Conditioning LLC for your HVAC, Plumbing and Electrical needs. Whether you’re thinking of replacing your air conditioning system, or you need a plumbing repair, or you’ve decided it’s time for a service upgrade on your electrical system, we have you covered. No matter the season, we have a number of great promotions going on to help you save on your initial installation costs, service fees, and more. Check back frequently for our latest deals.
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Professional plumber.

All current offers expire December 31, 2024, unless otherwise noted:



FREE HVAC Air Conditioning Second Opinion

Get a FREE Second Opinion as to whether your system can be repaired, or needs replacement, CLICK HERE for more info!


$25 off of any HVAC repair over $200 or $200 off a new HVAC system

Offer code HVAC0101


$50 off of any Plumbing repair over $200

Offer code PLB0102


$50 off of any water heater replacement

Offer code WH0103


$75 off of an Energy Audit

Offer code HPwES0104


$200 off of a REME Halo Photocatalytic Indoor Air Quality System Installation

Offer code REME0105


$50 Electrical Inspection with Thermal Imaging

Offer code Electrical0101


$25 off an ecobee® Wi-Fi Thermostat with Amazon Alexa & Indoor Air Quality Monitoring

Offer code ecobee0101


Refer a new customer, receive $50

Offer code REF0106

We are always delighted when a first-time customer tells us that a friend, neighbor or family member recommended us. As a thank-you for your referrals, if a new customer tells us that you recommended our company to them, you will earn a $50 credit to be applied to your next tune-up or service call.
Affordable HVAC Services | Hamilton NJ
Princeton, West Windsor, Millstone, Robbinsville, Hopewell & Cranbury NJ
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