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Coupons 
New Jersey Plumbing and HVAC Coupons
0% Interest & No Payments Until 2027
on a New HVAC System
On qualifying systems only. Not all systems qualify. With approved financing. Cannot be combined with any other promotion. Restrictions apply. Call for details.
Expires January 31, 2026
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0% Interest & No Payments Until 2027
on a New Water Heater
On qualifying systems only. Not all systems qualify. With approved financing. Cannot be combined with any other promotion. Restrictions apply. Call for details.
Expires January 31, 2026
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Furnace Diagnostic Fee Waived with Repair
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10%
Teacher Discount
Restrictions apply. Must be a teacher and show documentation confirming employment as a teacher. Cannot be combined with any other offer or discount. Maximum discount of $1,000. Excludes HVAC installations, sewer repairs and sewer replacements.
Expires January 31, 2026
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10%
First Responder Discount
Restrictions apply. Must be 65 or older and show legal documentation confirming age. Cannot be combined with any other offer or discount. Maximum discount of $1,000. Excludes HVAC installations, sewer repairs and sewer replacements.
Expires January 31, 2026
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$49
Water Heater Safety Check, Plumbing Inspection and Water Quality Test
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
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$29
Plumbing Inspection
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
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Up to $500 Off
Clean Air Package (Humidifier, Dehumidifier, Air Filtration, Air Purifiers, Smart Thermostat)
10% off up to $500. The amount off is based on the number of items requested within the bundle. The amount may vary. Restrictions apply. Cannot be combined with any other coupon or promotion. Call for full details.
Expires January 31, 2026
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$80 OFF
AC/Furnace Repair
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
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$49
Furnace Tune-Up
Single unit price. Additional units extra. Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
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Save 15% On All Repairs
Whole Home Service Plan Members
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
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10% OFF
Military Discount
Restrictions apply. Must present valid military ID. Cannot be combined with any other offer or discount. Maximum discount of $1,000. Excludes HVAC installations, sewer repairs and sewer replacements.
Expires January 31, 2026
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10% OFF
Senior Discount
Restrictions apply. Must be 65 or older and show legal documentation confirming age. Cannot be combined with any other offer or discount. Maximum discount of $1,000. Excludes HVAC installations, sewer repairs and sewer replacements.
Expires January 31, 2026
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$99 OFF
Drain Cleaning
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
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On HVAC System Installs
FREE Same-Day Second Opinions
Must have at least one competitor estimate for same-day visit.
Expires January 31, 2026
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On Sewer Estimates
FREE Second Opinions
Must have at least one competitor estimate for same-day visit.
Expires January 31, 2026
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$80 OFF
Any Plumbing Service
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires January 31, 2026
CALL NOW
Do you need a plumber or HVAC expert today? Call today or use our online request form and see why Len The Plumber Heating & Air has been Maryland’s trusted plumbing company for everything from leaky faucets to clogged drains for over 15 years. Same Day Service – 7 Days a Week! Mention our plumbing coupons when you call and the discount will be added to your service.
What to Expect
From Len The Plumber
From Len The Plumber