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Coupons 
Washington D.C. Plumbing and HVAC Coupons
Furnace Diagnostic Fee Waived with Repair
Diagnostic fee waived with repair. A $49 value. Restrictions apply. Call for full details.
Expires November 30, 2025
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Clean Air Package (Humidifier, Dehumidifier, Air Filtration, Air Purifiers, Smart Thermostat)
Up to $500 Off
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 November 30, 2025
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Teacher Discount
10%
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 November 30, 2025
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First Responder Discount
10%
Restrictions apply. Must be a first responder and show documentation confirming employment as a first responder. Cannot be combined with any other offer or discount. Maximum discount of $1,000. Excludes HVAC installations, sewer repairs and sewer replacements.
Expires November 30, 2025
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Water Heater Safety Check and Plumbing Inspection
$49
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires November 30, 2025
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Plumbing Inspection
$29
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires November 30, 2025
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Available on A New Furnace or A Free IAQ Package
0% Financing For 60 Months
On qualifying systems only. Not all systems qualify. With approved financing. Cannot be combined with any other promotion. Restrictions apply. Call for details.
Expires November 30, 2025
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AC/Furnace Repair
$80 Off
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires November 30, 2025
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With No Breakdown Guarantee
$49 Furnace Tune-Up
Single unit price. Additional units extra. Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires November 30, 2025
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Military Discount
10% OFF
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 November 30, 2025
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Senior Discount
10% OFF
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 November 30, 2025
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$99 OFF
Drain Cleaning
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires November 30, 2025
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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 November 30, 2025
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FREE Second Opinions
On Sewer Estimates
Must have at least one competitor estimate for same-day visit.
Expires November 30, 2025
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Any Plumbing Service
$80 OFF
Restrictions apply. Cannot be combined with any other coupon or promotion.
Expires November 30, 2025
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New Water Heater
As Low As $1.62 A Day
Qualifying units only. Not all units qualify. With approved financing. Call for details.
Expires November 30, 2025
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Len The Plumber Heating & Air offers you many ways to save on our plumbing services.
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 Heating & Air
From Len The Plumber Heating & Air