HVAC social media marketing works best as proof, not as your main source of calls: post real jobs, your technicians and short seasonal tips on Facebook, Instagram, Nextdoor and YouTube Shorts, about three times a week, and use those pages to collect reviews and referrals. A homeowner whose AC has died searches Google and calls; social is where they check you before they do, and where past customers remember you.
This guide covers what to post, where, a four-week calendar you can copy, the review and referral asks, and what it costs to run in-house or hire out. For the wider list of HVAC tactics, see our HVAC marketing ideas.
The short version
| Platform | What it is for | What to post | Cost to start |
|---|---|---|---|
| Past customers, neighbors, reviews | Jobs, tips, offers, team | Free Page; boosts optional | |
| Proof of work for younger homeowners | Before-and-after photos, short reels | Free professional account; boosts optional | |
| Nextdoor | Neighborhood recommendations | Local jobs, seasonal reminders, local deals | Free Business Page; ads separate |
| YouTube Shorts | Short how-to clips you can reuse on your site | Filter changes, thermostat tips, noises explained | Free |
| Google Business Profile | Not social, but the photos matter most here | The same job photos | Free |
If you have time for only one, pick Facebook, then reuse the same photos on your Google profile. That is where they do the most work.
The four-week post calendar
Three posts a week is enough for an owner-run shop, and it's sustainable. Repeat this cycle with new material, and swap the tips for the season.
| Week | Monday: a real job | Wednesday: a tip or video | Friday: people or place | The ask that week |
|---|---|---|---|---|
| 1 | Before-and-after of an install, with what was replaced and why | Shorts: how to check and change a filter | Meet a technician: name, years in the trade, one thing they enjoy | Review link sent after every job |
| 2 | A repair explained in two sentences, with a photo of the part | Three noises your system shouldn't make, and when to call | Your trucks out on a busy morning | Ask happy customers to recommend you on Nextdoor and Facebook |
| 3 | A customer review reshared, with their permission | When to book a tune-up, and what it covers | A local team, school or event you support | Thank-you post for referrals (no names unless they agree) |
| 4 | A tidy install or ductwork job, close up | Thermostat settings while you're away | Behind the scenes: the warehouse, training, a new van | A dated offer, if you have one, such as a tune-up week |
Tie tips to the season. ENERGY STAR tells homeowners to check filters monthly and to have cooling checked in spring and heating in fall (ENERGY STAR), which gives you a reason to post the same reminders at the right times every year.
What to post
The best HVAC posts show something only you could post. Five kinds do most of the work:
- Real jobs. A clean install, a coil before and after, a replaced part. Say what you did and why in plain words. Take photos with the customer's permission and keep house numbers and faces out unless they agree.
- Short tips. Filter changes, thermostat settings, what a noise or a smell means, when to call and when it can wait. A technician talking for 40 seconds beats a polished graphic.
- Your people. Homeowners are letting a stranger into their house. A face and a name make the call easier.
- Reviews. Reshare good ones, with permission, and thank the customer.
- Your area. Teams you sponsor, events, a charity job. This is what makes a local company look local.
Avoid two things. Don't post frightening claims to push replacements: show the reading, the options and the price, the same as you would in the house. And don't repeat stale offers; the federal 25C tax credit has ended, as our HVAC ideas guide explains, and old posts promising it still get shared.
Where to post, platform by platform
Facebook is where many past customers and neighbors will see you, and Meta says "setting up a Page is simple and free" (Meta). Meta Business Suite lets you "create or schedule posts, stories and ads" for Facebook and Instagram in one place, and answer messages from both (Meta). It also matters for reviews: in BrightLocal's 2026 survey of 1,002 US adults, Facebook was the second most used site for writing reviews, at 34%, behind Google at 45% (BrightLocal).
If you boost a post, know how the budget works. Meta calls a daily budget an average, and says it "may spend up to 75% over your daily promotional budget", though spend over a week won't exceed seven times the daily amount. It recommends starting with at least USD 5 and running for more than six days, and you can pause or cancel any time (Meta).
Switch to a professional account: Instagram's own steps are Settings and privacy, then Account type and tools, then Switch to professional account. That gives you insights, a way to share your contact details, and the option to "choose an existing reel, story or image post to boost" (Instagram). Instagram suits before-and-after photos and short reels. Post the same clips you make for Shorts.
Nextdoor
Nextdoor is built around neighborhoods, which fits a trade that serves a radius. Nextdoor offers a free Business Page with "unlimited free posts", a place to collect recommendations from neighbors, Faves, local deals and messages (Nextdoor). When you post, you choose a radius around your business or specific neighborhoods (Nextdoor). Ads are a separate, paid product. The most valuable thing here is recommendations, so ask for them (see below).
YouTube Shorts
YouTube says Shorts are videos "up to 3 minutes long", uploaded as vertical video from a phone or computer at up to 1080p (YouTube). For HVAC that's plenty for a filter change or a "why is my AC freezing up" answer. Shorts are also easy to reuse: the same clip works on Instagram, Facebook and your website's service pages, where it supports your HVAC SEO.
Review and referral prompts
Social pages are a good place to collect reviews and referrals, as long as the asks are honest. Copy and adapt these:
- After each job, by text: "Thanks for having us out today. If you have a minute, a review helps other neighbors find us: [link]"
- To a customer who says something kind: "Would you mind saying that on Nextdoor or Facebook? Neighbors trust neighbors more than us."
- When a referral books: "Thanks for passing our name to [first name]. We appreciate it." A thank-you is fine; never tie it to a positive review
- Before resharing a review or job photo: "Can we share this on our page? We'll leave your address out."
- On a seasonal post: "Know someone who needs a tune-up before summer? Tag them or pass this on."
- Send the same ask to every customer, not only the happy ones
Stay inside the FTC's 2024 rule on fake reviews. It prohibits incentives "conditioned on the writing of consumer reviews" that express a particular sentiment, positive or negative. It bans buying or selling fake indicators of social media influence, such as followers or views from bots, and requires insiders who review to disclose their connection (FTC). In practice: ask every customer, not only the happy ones. Never pay for five stars, never buy followers, and have staff and family stay out of your reviews.
What it costs: in-house or hired
Most of the cost is time. The pages are free, and scheduling can be too: Buffer's free plan connects up to three channels with 10 scheduled posts each, and its Essentials plan is $5 a month per channel billed yearly (Buffer). Buffer's channel list includes Facebook, Instagram, YouTube and Google Business Profile, but not Nextdoor, so plan to post there by hand.
Hiring out costs more. WebFX, an agency that sells the service, puts social media management at "an average of $500 to $5,000 per month, with hourly rates ranging from $35 to $150 per hour for freelancers and agencies" (WebFX). Whoever you hire, they still need your photos and clips from real jobs, so some of your time stays in the cost.
| In-house: 12 posts at 20 minutes each (example) | 4 hours |
| Replies and messages (example) | 2 hours |
| Collecting photos and filming clips (example) | 2 hours |
| Office time at an example $25 an hour | $200 |
| Buffer Essentials, 3 channels at $5 each, billed yearly | $15 |
| One boosted tune-up offer: $10 a day for 7 days (example) | $70 |
| In-house, per month | $285 |
| Hired: monthly fee (example, inside WebFX's $500–$5,000 range) | $750 |
| The same boosted offer (example) | $70 |
| Your time for photos and approvals: 2 hours at $25 (example) | $50 |
| Hired, per month | $870 |
In this example, running it in-house costs about $585 a month less than hiring, if someone in the office actually does it every week. The catch is consistency. A hired person who posts every week beats an in-house plan that stops in July. Our home service marketing cost guide puts these numbers next to the other lines in a marketing budget.
What not to expect from social
Don't expect social to fill your schedule. When a furnace stops on a cold night, the homeowner searches and calls. In BrightLocal's 2026 survey, Google was the most used platform for local recommendations, at 71%, with Facebook second. And 24% of consumers said that after reading positive reviews they visit the business's social media channels (BrightLocal). That is social's real job: the check a homeowner makes before calling, and the reminder a past customer sees before the next season.
We know of no reliable figure for how many HVAC calls come from social media, so check your own: ask "how did you hear about us?" on every booking and record the answer in your software. If most booked jobs come from Google, put most of your effort there first: your Google profile and website and a steady flow of reviews.
Judge social on what it can do:
- Reviews collected after you started asking.
- Referral mentions on bookings: "my neighbor recommended you on Nextdoor".
- Clicks from tagged links in your bio and posts. Google Analytics says "you should always use utm_source, utm_medium, and utm_campaign" (Google), for example source "facebook", medium "social" and campaign "fall_tuneup".
- Bookings from dated offers you boosted, counted by booked job, not by likes.
Likes and follower counts are not a result. If a channel brings no reviews, referrals or bookings after a full season, spend the time on your Google profile instead.
Start this week
Claim the free pages you don't have yet, and ask your technicians to take one before-and-after photo per job. Then post week 1 of the calendar and send a review link after every job. If you'd rather focus on the part that books most calls, Gigabit's home services plans cover your website, Google profile, reviews and phone follow-up; running your social accounts isn't part of them. See what we run for HVAC companies and the plans and pricing.
