Weekend & after-hours service available
Call: (336) 817-1704

Local HVAC service · Winston-Salem & surrounding areas

Diamond-quality comfort, done right the first time

Heating repair, air conditioning service, indoor air quality and preventive maintenance from a locally owned Winston-Salem team serving the Piedmont Triad.

(336) 817-1704

Planning a replacement? Try the interactive payment estimator →

  • Customer stories3 testimonials on their website
  • Weekend serviceAfter-hours availability
  • 50-mile coverageAcross the Piedmont Triad
High-efficiency heat pump and condenser unit installed beside a modern home at dusk

Right-sized, quiet, efficient

Real local team, real Diamond fleet.

Locally ownedAward-winning serviceFree quotesFinancing available

What we do

Full-service heating, cooling and air quality

Local service for air conditioning, heating, maintenance and healthier indoor air.

All services

Equipment relationships

Dealer brands and systems we support

Diamond lists Bosch, Gree and Airtemp as dealer brands, and services Trane, Lennox and Rheem equipment.

  • Bosch logoDealer brand
  • Gree logoDealer brand
  • Airtemp logoDealer brand
  • Trane logoSupported brand
  • Lennox logoSupported brand
  • Rheem logoSupported brand

Why Diamond

Local people, practical comfort solutions

A straightforward experience from the first call through the final system check.

Clear options

The team explains what they find and helps you choose the next step for your home.

Comfort-focused service

Heating, cooling, airflow and indoor air quality are considered together.

Local team

A recognizable Winston-Salem crew serving homes across the Piedmont Triad.

Financing available

Published GoodLeap financing options can help make major HVAC work easier to plan.

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Years of experience

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Areas served

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Homes served

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Equipment partners

Interactive payment estimator

Explore a monthly payment before requesting a quote

Adjust the example project amount and term to see an illustrative monthly estimate. Actual approval, rates and terms are provided by GoodLeap.

  • Change the project amount from $2,000 to $30,000
  • Compare four example term lengths instantly
  • Continue to Diamond's real GoodLeap application
Open the full financing guide

Estimate your monthly payment

Illustration only, at an example 7.99% APR. This is not a lender offer; actual approval, rates and terms come from GoodLeap.

$9,500
$2,000$30,000

Term length

Estimated payment

$148/mo

84 months · $9,500 financed

View Diamond's GoodLeap application

Review the lender's disclosures before applying.

How it works

Four steps, no mystery

01

Tell us what's happening

Call, chat or use the quote form and share the symptoms you are seeing.

02

We diagnose and show you

A technician evaluates the equipment, controls and airflow to find the cause.

03

You choose from clear options

Review the recommended options before deciding how to move forward.

04

We prove the fix

The system is checked after service so you know how it is operating.

Interactive example

See how an HVAC upgrade can change a space

Drag the comparison to preview the kind of before-and-after story this site can show. Final project photos and results should be supplied by Diamond.

  • Compare the existing and improved setup
  • Explain what changed in plain language
  • Show homeowners the value visually
  • Replace demo imagery with completed Diamond projects
Mechanical room after a full system replacement and duct sealing
The same mechanical room before the replacement, with a rusted furnace and failing ductwork
BeforeAfter

Drag the handle — illustrative before-and-after comparison

Maintenance options

A clearer way to compare ongoing care

These illustrative plan structures show how Diamond could package preventive maintenance. Final names, scope and pricing need owner confirmation.

Seasonal Check

Illustrative maintenance option; final scope and price confirmed by Diamond.

Quote

  • Heating or cooling system check
  • Filter and airflow review
  • Electrical component inspection
  • Written service observations
Most popular

Comfort Care

Illustrative twice-yearly care option for year-round comfort.

Quote

  • Spring cooling visit
  • Fall heating visit
  • Priority scheduling request
  • Maintenance history summary

Whole-Home Review

Illustrative plan for HVAC plus indoor-air-quality review.

Quote

  • Heating and cooling checks
  • Filter and humidity review
  • Airflow observations
  • Personalized recommendations

Reviews

What customers say about Diamond

Testimonials reproduced from Diamond's current website.

Client website
Mario did an excellent job on our A/C unit. Very attentive and professional. He took time to explain everything he did before doing it. Overall, very pleased with the service!
Theresa MorrowPiedmont Triad · AC service · Published testimonial
Client website
Huge thank you to Mike McGinness and his team. They care about the work they perform and stand behind their services!
Kevin HoffmanPiedmont Triad · HVAC service · Published testimonial
Client website
Mike provided a wonderful experience breaking the news for a new A/C coil. They stated 3–5 business days for the parts, but they were at my house installing it in 2 days!
Bento BrockePiedmont Triad · AC coil replacement · Published testimonial

Questions

Answers before you call

Resources

Straightforward comfort guides

All articles

Ready for a more comfortable home?

Tell Diamond what your system is doing and the office will confirm the next available service window.

(336) 817-1704
Call now
4485 Indiana Ave, Winston-Salem, NC 27105