Current Promotions

Save big when you choose SG Heating & Air Conditioning for your HVAC and plumbing needs. Whether you’re thinking of upgrading your air conditioning system or need to make repairs to your plumbing or upgrades to your electrical system, we have you covered. Every month, SG has 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, 2023, 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 $100 or $200 off a new HVAC system

Offer code HVAC0101


$25 off of any Plumbing repair over $100

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


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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