Press & blogs

November 2, 2026 – 6 Min

Commercial HVAC Maintenance: Which Problems Drive Up Energy Bills the Most?

Commercial HVAC maintenance helps control energy costs by addressing faults and operating settings that waste energy. Restricted airflow, poor heat transfer and equipment running beyond occupied hours can all increase consumption. The biggest source of waste varies by building. Facilities … more
November 2, 2026 – 4 Min

HVAC in India: How Climate and Occupancy Change Energy-Saving Opportunities

India’s climate shapes how much energy buildings need for heating, ventilation and air conditioning (HVAC). Hot summers, high humidity and temperatures determine  how often air conditioning runs and how hard it works. Where the savings depends on three things: … more
October 30, 2026 – 2 Min

How Salesforce cut HVAC energy 38% as a tenant, with no building works

Rensair won the CoreNet Global Innovator Award 2026 for its Tenancy project with Salesforce Tower UK … more
October 14, 2026 – 4 Min

Do Air Purifiers Remove Odours? (Guide 2026)

Yes, air purifiers can help reduce unpleasant odours in commercial properties, including offices, hotels, hospitals, and retail spaces. Air purifiers with activated carbon filters absorb odour-causing gases, while HEPA filters capture airborne particles. Choosing the right system and maintaining filters … more
October 6, 2026 – 8 Min

Office Indoor Air Quality Checklist For Facility Managers

Facility managers can check office indoor air quality by reviewing ventilation, CO₂, HVAC performance, filters, temperature, humidity, pollutants, moisture and occupant complaints. A simple IAQ checklist makes these checks easier to manage. It helps identify potential problems early and shows … more
October 2, 2026 – 6 Min

7 Types of Air Purifiers: HEPA, UV, Carbon & More

There are 7 common types of air purifiers, including HEPA, activated carbon, UV-C, ioniser, ozone, PCO and smart air purifiers. Each technology targets different pollutants, so the right choice depends on what you want to remove from your indoor air. … more
September 10, 2026 – 6 Min

15 Most Polluted Cities in the UK – [Updated List]

Air pollution remains a concern across many parts of the UK. Based on 2025 PM2.5 data, Northampton had the highest annual average among the locations in the latest ranking, followed by Ipswich and St Albans.  According to the Gov.UK, … more
September 8, 2026 – 7 Min

TVOC Air Quality Levels Explained [2026]

TVOC air quality values show the total amount of VOCs in the air, which can come from things like paint, cleaning sprays, markers, glue, and new furniture. When the TVOC level is high, the air may be unhealthy and can … more
September 4, 2026 – 8 Min

10 Signs Your Office Has Poor Indoor Air Quality

Does your office often feel stuffy, or do employees regularly complain about headaches and tiredness? They could be signs of poor office indoor air quality. Since most people spend around eight hours a day at work, breathing clean air is … more
September 2, 2026 – 6 Min

How Indoor Air Quality Affects Commercial Property Valuations

Indoor air quality (IAQ) can increase commercial property value by improving tenant retention, supporting rental premiums, reducing vacancy risk, strengthening ESG performance, and increasing building attractiveness to long-term investors. As businesses place more importance on employee wellbeing, sustainability, and ESG … more
August 25, 2026 – 6 Min

Air Purifier vs Humidifier: Which Do You Need?

Air purifiers remove airborne pollutants, while humidifiers add moisture to dry air. The right choice depends on what you want to improve indoors. If you are comparing an air purifier vs humidifier, it is important to understand that these devices … more
August 13, 2026 – 5 Min

Indoor Air Quality Assessment Checklist & Tips

Many people spend around 90% of their time indoors, whether at home, in the office, at school, or in other shared spaces. If you often notice stuffy rooms, lingering odours, frequent headaches, or allergy symptoms indoors, poor indoor air quality … more
August 6, 2026 – 6 Min

Decarbonising Buildings Without Replacing HVAC Systems

Replacing an entire HVAC system can cost hundreds of thousands of pounds and disrupt building operations for months. Yet many commercial buildings can reduce HVAC energy consumption by 20–40% without replacing a single air handling unit. Many existing HVAC systems … more
August 6, 2026 – 5 Min

Top Solutions for Air Pollution: What Really Works?

Air pollution is one of the most serious environmental health risks, contributing to an estimated 28,000 to 36,000 deaths each year in the UK, according to a UK government study. It comes mainly from vehicle exhausts, industrial emissions, agriculture, and … more
July 31, 2026 – 7 Min

Top 10 Most Polluted Cities in the World (2026 Rankings)

Air pollution is one of the most serious environmental challenges we face today. In many cities, the air quality is so poor that breathing it can be harmful. People wear masks not only for health reasons but also to protect … more

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