What are the opening hours?

Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

Cosmos Air Purification & Environmental Systems, Inc.

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Landover, MD
Cosmos Air Purification & Environmental Systems, Inc.

Cosmos stands as a beacon in the air-filtration industry, crafting innovative clean air solutions.

09/04/2026

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🌬️ Clean air starts with curious minds. 💡

This week we welcomed young adults from the Sasha Bruce Youthwork Program for a hands-on look at how air filtration really works, from throwaway to HEPA, and why it matters everywhere from schools to hospitals. 🏫🏥

One student left saying their interest in the industry had "really grown" and that's exactly the kind of spark we love to see. ✨

Thank you to Denzel, Genesis, Eugene "BK," and Gerald "G" for joining us, the future of clean air looks bright. ✨🌟

FutureWorkforce SashaBruceYouthwork CosmosAirPurification IndoorAirQuality

09/03/2026

🔥 “This is fine…” until your HVAC system says otherwise. 😅

October 1st is not the time to discover a clogged filter, rising heating bills, and an unhappy thermostat. 🍂🏢

Get ahead of fall HVAC prep before small problems become expensive ones. 🛠️❄️

📩 DM “FALL” before it’s too late!

BuildingMaintenance AirFiltration IndoorAirQuality HVACMaintenance FacilityManagers BuildingManagement HeatingSeason FallHVAC CleanAir EnergyEfficiency CommercialBuildings

09/02/2026

🚨 ONE HVAC UNIT. ZERO REDUNDANCY.

One clogged filter can impact an entire office. 🌬️🏢 When indoor air quality drops, productivity, comfort, and employee well-being can suffer.

Don’t wait until October to think about your filters. Stay ahead. Breathe better. Perform better. 💨✅

FacilityManagement BuildingManagement CommercialHVAC HealthyBuildings CleanAir HVACMaintenance FacilityManagers BuildingPerformance AirQuality WorkplaceWellness MERV13 CommercialBuildings BuildingMaintenance

09/01/2026

🍂 Fall is here—and your HVAC filters need to be ready.

Ragweed pollen peaks, dust gets stirred up, and dry air carries particles farther. That summer MERV 8 filter spec may not be enough anymore.

Lesson 10: Know when to step up your filtration. 💨
MERV 8 → MERV 11–13

Don’t let seasonal changes catch your facility off guard. 🏢✅

IndoorAirQuality FacilityManagement BuildingMaintenance CommercialHVAC HealthyBuildings CleanAir HVACMaintenance FacilityManagers BuildingOperations AirQuality CosmosUniversity

08/31/2026

🍂 Fall is coming. Is your HVAC ready?

Before the first cold snap hits, give your system a proactive check. From scheduling a professional tune-up and upgrading filters to inspecting ductwork, testing heating, clearing outdoor units, and reviewing energy bills—these 7 steps can help you start the season prepared. 🌬️🏢

Don’t wait for an HVAC issue to become an emergency. Prepare now. Perform better all season. ✅

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08/30/2026

☀️ Summer 2026: Survived.

From scorching attics to “what’s making that noise?” calls, we kept the systems running, the offices cool, and the HVAC challenges under control. 🔧❄️

Thank you for trusting us all season. 🙌
🍂 Fall is on its way—and we’re ready for what’s next.

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08/28/2026

🌎💨 The world deserves cleaner air.

From city skylines to the buildings we live and work in, better filtration means better environments. 🌿🏢

At Cosmos Air, we engineer filtration solutions built to protect what matters most—the air inside your building.

✨ Clean air. Better buildings. A higher standard.

08/24/2026

🚨The filter mistake we see far too often.

The wrong filter isn’t just a small oversight—it can restrict airflow, make your HVAC system work harder, increase energy costs, and shorten equipment life. ⚠️💨

Before your next filter change, check the MERV rating in your system manual not just what fits in the slot. ✅

Because when it comes to HVAC performance, “close enough” isn’t good enough.

AirFiltration FacilityManagement BuildingManagement HVACMaintenance EnergyEfficiency IndoorAirQuality FacilityManagers HVACEngineering CommercialBuildings BuildingPerformance

08/21/2026

💨 How well do you really know your HVAC system? 🤔🏢

From filter replacement schedules and MERV ratings to airflow, maintenance, and indoor air quality—small HVAC decisions can have a big impact on building performance. 🔧📊

Swipe through our Top 8 HVAC Questions, Answered and see how well you know the essentials! 👉➡️

💬 Which HVAC question would you add to our list? Drop it in the comments! 👇

08/20/2026

Knock knock… 👀
Who’s there?
A reminder that if it’s been 90 days, it might be time to change your filter. 😂💧

Seriously though—don’t wait until it’s overdue. Keep it fresh, keep it clean, keep it flowing. ✨

Address

3611 Pennsy Drive
Landover, MD
20785

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm

Website

http://HVACfilter.com/

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