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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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10%
Discount for Teachers, First Responders, Seniors, and Military
Restrictions apply. Must present valid ID and/or show legal documentation. 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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$89
Plumbing Safety 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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$50 OFF
HVAC 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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$99 OFF
Drain Cleaning
Valid on secondary drain lines up to 75 ft. with outside ground-level access. Cannot be combined with any other coupon or promotion. Call for details.
Expires January 31, 2026
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FREE Same-Day Second Opinions
On HVAC System Installs
Must have at least one competitor estimate for same-day visit.
Expires January 31, 2026
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FREE Second Opinions
On Sewer Estimates
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
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Up To 10% Off
A New Water Heater
10% off up to $300 on a standard Water Heater only. Cannot be combined with any other promotion. Restrictions apply. Call for details.
Expires January 31, 2026
CALL NOW
Up To $300 Off
A New Water Heater
10% off up to $300 on a standard Water Heater only. Cannot be combined with any other promotion. Restrictions apply. Call for details.
Expires January 31, 2026
CALL NOW
Up To 10% Off
A New HVAC System
10% off up to $3,000 on a full HVAC system only. Cannot be combined with any other promotion. Restrictions apply. Call for details.
Expires January 31, 2026
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Up To $3,000 Off
A New HVAC System
10% off up to $3,000 on a full HVAC system only. Cannot be combined with any other promotion. Restrictions apply. Call for details.
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