Free games like HVAC Simulator
Below are 9 free-to-play Steam games similar to HVAC Simulator, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like HVAC Simulator page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Indie and Casual with HVAC Simulator.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Life is Strange - Episode 1
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Action and Adventure with HVAC Simulator.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 3
Ultimate Custom Night
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Action and Indie with HVAC Simulator.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4
The Murder of Sonic the Hedgehog
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Indie and Simulation with HVAC Simulator.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 5
Indigo Park: Chapter 1
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Action and Indie with HVAC Simulator.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 6
STRAFTAT
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Action with HVAC Simulator.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 7
missed messages.
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Indie and Simulation with HVAC Simulator.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 8
NGU IDLE
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Indie and Adventure with HVAC Simulator.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 9
Deadly Hunter VR
Free-to-play alternative to HVAC Simulator — no purchase or trial window. Shares Action and Sports with HVAC Simulator.
Deadly Hunter is an immersive first-person defense game designed exclusively for VR. You play as a renowned Orc hunter whose goal is to learn the enemy’s weaknesses and use the best-suited traps to blow their heads off!