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L J Denner & SonsHVAC contractor in Norwalk, CT

L J Denner & Sons is an HVAC contractor at 2 Wilton Ave, Norwalk, CT 06851, rated 5.0 from 1 Google review. Open Monday to Friday.

Norwalk, CT0 paid placements in any rankingHow we rank

Call (203) 866-7115

Key facts

Key facts about L J Denner & Sons
Address2 Wilton Ave, Norwalk, CT 06851Get directions
Phone(203) 866-7115
HoursMonday to Friday: 8 AM – 4 PM
Google rating5.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Norwalk and 11 towns within 25 miles: East Norwalk, Westport, Darien, New Canaan, Wilton, North Stamford, Stamford, Fairfield, Old Greenwich, Riverside and Easton.

Based in Norwalk, CTView on map

Opening hours

Opening hours for L J Denner & Sons
DayHours
Monday8 AM – 4 PM
Tuesday8 AM – 4 PM
Wednesday8 AM – 4 PM
Thursday8 AM – 4 PM
Friday8 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

5.0from 1 Google reviews

Hired L J Denner & Sons? Write a review

Questions about L J Denner & Sons

What are L J Denner & Sons’ hours?

L J Denner & Sons is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does L J Denner & Sons serve?

Serves Norwalk and 11 towns within 25 miles: East Norwalk, Westport, Darien, New Canaan, Wilton, North Stamford, Stamford, Fairfield, Old Greenwich, Riverside and Easton. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about L J Denner & Sons?

L J Denner & Sons has a rating of 5.0 from 1 Google review. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact L J Denner & Sons?

Call L J Denner & Sons on (203) 866-7115. The business is at 2 Wilton Ave, Norwalk, CT 06851. Ask for a written estimate before any work starts.

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