Sunlit Insights - Blog, News & Case Studies

Sunlit Insights brings expert blogs, industry news, and real case studies on interior design in Dhaka—practical ideas, trends, and smart design decisions.

AC Price and Installation Cost in Bangladesh (2026 Updated Guide)

22 February 2026 No Comments

In Dhaka especially, 1.5 ton inverter split ACs have become the standard residential choice.

This guide provides updated 2026 market pricing, installation cost, servicing charges, gas refill cost, and brand comparison based on current Bangladesh retail listings and service provider data.

Technician checking AC gas pressure in Dhaka apartment showing 40 PSI scam vs 150 PSI authentic service

Authentic AC Maintenance Protocols vs. AC gas refill scam in Dhaka

18 February 2026 No Comments

An air conditioner does not consume gas. Refrigerant circulates in a sealed closed-loop system.
If gas is genuinely low, there must be a physical leak.

A technician performing a high-pressure jet wash on a dirty outdoor air conditioning unit to remove accumulated dust and debris. for ac service and maintenance.

Advanced AC Service and Maintenance in Dhaka : 40+ Years of Professional HVAC Expertise

12 February 2026 No Comments

Stop the break-fix cycle. Learn Sunlit’s technical approach to HVAC preventative maintenance in Dhaka, focusing on advanced protocols like Inverter checks, Dhaka Dust Mitigation, and Energy Audits to maximize asset longevity and operational efficiency

Research Paper: Optimization of Refrigerant Charging and System Evacuation in HVAC Systems

7 February 2026 No Comments

This paper investigates the critical procedures of system evacuation and refrigerant charging (commonly known as AC gas filling). It explores the thermodynamic necessity of removing non-condensables and moisture to ensure system longevity and efficiency. The study outlines the technical workflow, diagnostic indicators for recharging, and the mechanical implications of improper servicing.

Infographic demonstration of the best HVAC service company

The Engineering Legacy of Comfort: Why Sunlit Pvt. Ltd. Defines the Gold Standard for HVAC in Dhaka

2 February 2026 No Comments

Sunlit Pvt. Ltd. bridges the gap between raw construction power and delicate mechanical precision, offering a “one-window” engineering solution that safeguards your investment.

Engineering Excellence in Interior Design with BNBC Compliance

Why Dhaka’s Elite Homeowners Demand 40 Years of Engineering Excellence in Interior Design

31 January 2026 No Comments

Don’t trust your Dhaka home to amateurs. Learn why 40 years of Engineering Excellence in Interior design is essential for RAJUK & BNBC 2020 safety.

Professional AC technician from Sunlit Company servicing split air conditioner in modern Dhaka apartment during January winter maintenance

Why January is the Best Month for AC Servicing in Dhaka: The Off-Season Strategy

30 January 2026 No Comments

Servicing your AC in January isn’t just about cleaning; it’s a proactive financial move. Dhaka’s dust levels peak in winter, and stagnant AC units become breeding grounds for mold. A professional “Master Wash” now prevents compressor failure in June.

AC servicing in January to reduce electricity bill

ঢাকার গ্রীষ্ম ২০২৬: জানুয়ারিতে এসি সার্ভিসিং না করলে কত টাকা বাড়তি বিল দিচ্ছেন?

26 January 2026 No Comments

ঢাকার গ্রীষ্ম ২০২৬ আগের চেয়ে দ্রুত শুরু হচ্ছে—এবং বেশিরভাগ মানুষ বুঝতেই পারছে না, জানুয়ারিতে একটি সিদ্ধান্ত তাদের পুরো গ্রীষ্মের বিদ্যুৎ বিল ২০–৩০% পর্যন্ত বাড়িয়ে দিতে পারে।

Housewife cleaning dirty AC filter - practical DIY AC maintenance Tips

আপনার নতুন এসির যত্ন: দীর্ঘস্থায়ী ব্যবহার এবং বিদ্যুৎ বিল সাশ্রয়ের সহজ নির্দেশিকা

24 January 2026 No Comments

বাংলাদেশের গরমে এসির আয়ু বাড়াতে তাপমাত্রা ২৪°C-২৬°C এ রাখুন এবং প্রতি সপ্তাহে ফিল্টার পরিষ্কার করুন। ঢাকার ধুলোবালি থেকে বাঁচতে বছরে অন্তত ২ বার মাস্টার সার্ভিসিং জরুরি। যেকোনো সমস্যায় ৪০ বছরের অভিজ্ঞতাসম্পন্ন এক্সপার্টের সেবা পেতে কল করুন: +৮৮০১৭৮৪৩৮৫৩৩৫।